6 22.007 
N47<5r 


BULLETIN  NO.  17 


INDUSTRIAL  CODE 


RULES 

RELATING  TO 

Mines  and  Quarries 


STATE  OF  NEW  YORK 

DEPARTMENT  OF  LABOR 

STATE  INDUSTRIAL  COMMISSION 

ALBANY 

NEW  YORK  OFFICE,  230  FIFTH  AVENUE 


-JOHN-MITCHELL,  Chairman 
EDWARD  P.  LYON  JAMES  M.  LYNCH 

LOUIS  WIARD  HENRY  D.  SAYER 

WILLIAM  S.  COFFEY,  Secretary  - 


Julyli,  1918 


BUREAU  OF  INDUSTRIAL  CODE 

230  Fifth  Avenue,  New  York  City 


Law,  § 119.  Protection  of  employees  in  mines,  tunnels  and  quarries. 
Every  necessary  precaution  shall  be  taken  to  insure  the  safety  and  health 
of  employees  employed  in  the  mines  and  quarries  and  in  the  construc- 
tion of  tunnels  in  tht  state.  The  industrial  board  shall  have  the  power 
to  adopt  rules  and  regulations  to  carry  into  effect  the  provisions  of 
this  article  and  %nay  amend  or  repeal  rules  and  regulations  heretofore 
prescribed  by  the  commissioner  of  labor  under  the  provisions  of  this 
article.  The  rules  and  regulations  heretofore  precribed  by  the  commis- 
sioner of  labor  under  this  article  shall  continue  in  force  until  attended 
or  repealed  by  the  industrial  board. 


The  rules  contained  in  this  bulletin  were  adopted  by  the  State  Industrial 
Commission  in  accordance  with  the  requirements  of  sections  51 -a  and  52 
of  the  Labor  Law,  and  became  effective  July  1,  1918. 


'<t  D-u.  as. 


Caa.  c©7 

/V  4-1  8*, 


RULES  AND  REGULATIONS  RELATING  TO  MINES 


Rule  iooo.  Definition  of  Terms 


(a)  Application.  These  rules  shall  apply  to  all  mines  in  the  State  of  New 
York  producing  minerals  within  the  meaning  of  that  term,  as  hereinafter 
defined. 

(b)  Singular  and  Plural  Numbers.  For  the  purpose  of  these  rules,  the 
singular  number  when  used  in  reference  to  persons,  acts,  objects,  and  things 
of  whatsoever  kind  and  description,  shall,  whenever  the  context  will  permit, 
be  taken  and  held  to  import  and  include  the  plural  number,  and  the  plural 
number  shall  similarly  be  taken  and  held  to  import  and  include  the  singular. 

(c)  Mine.  The  term  “mine”  shall  include  prospect  openings,  pits,  banks 
and  open-cut  workings  employing  an  average  of  five  (5)  or  more  men,  and 
shall  embrace  any  and  all  parts  of  the  property  of  such  “mine”  and  mining 
plant,  on  the  surface  or  underground,  that  contribute  directly  or  indirectly 
to  the  mining  or  handling  of  minerals.  Provided,  that  when  a group  of 
workings  in  proximity  to  one  another  and  under  one  management  are 
administered  as  distinct  units,  each  working  shall  be  considered  a separate 
mine. 

(d)  Mineral.  The  term  “mineral”  shall  mean  whatever  is  recognized  by 
the  standard  authorities  as  mineral,  whether  metalliferous  or  non-metal- 
liferous,  but  shall  not  be  held  to  embrace  or  include  coal,  lignite,  gas,  oil, 
or  any  substances  when  extracted  in  solution  or  in  the  molten  state  through 
bore  holes. 

(e)  Operator.  The  term  “operator”  shall  mean  the  person,  firm,  or  body 
corporate  in  immediate  possession  of  any  mine  and  its  accessories  as  owner 
or  lessee  thereof,  and  as  such  responsible  for  the  condition  and  management 
thereof. 

(f)  Superintendent.  The  term  “superintendent”  shall  mean  the  person 
having  immediate  supervision  of  the  operation. 

(g)  Mine  Foreman.  The  term  “mine  foreman”  shall  mean  a person  who 
at  any  one  time  is  charged  with  the  general  direction  of  the  underground 
work. 

(h)  Excavations  or  Workings.  The  terms' “ excavations  ” and  “workings” 
shall  signify  any  or  all  parts  of  a mine  excavated  or  being  excavated,  includ- 
ing shafts,  raises,  tunnels,  entries,  galleries,  open  cuts,  and  all  working  places, 
whether  abandoned  or  in  use. 

(i)  Number  of  Men.  Whenever  the  expression  “number  of  men”  or 
“ average  number  of  men  ” employed  in  a mine  is  used  in  these  rules,  as  defin- 
ing or  constituting  classes  of  mines  to  which  these  rules  do  or  do  not  apply, 
such  expression  shall  be  construed  to  mean  the  average  number  of  men 
employed  during  the  previous  year,  as  shown  by  the  returns  to  the  mine 
inspector  or  by  the  books  or  pay  roll  of  the  mine,  or  by  all  of  such  means, 
and  such  average  number  shall  be  determined  by  dividing  the  total  number 
of  man  shifts  by  the  number  of  days  the  mine  was  worked  during  such  period. 


[3] 


4 


( j ) Magazine.  The  term  “ magazine  ” as  used  in  these  rules  shall  be  held 
to  mean  and  include  any  building  or  other  structure  or  place  in  which  explo- 
sives are  stored  or  kept,  whether  above  or  below  ground. 

(k)  Explosive.  The  term  “explosive”  or  “explosives”  shall  be  held  to 
mean  and  to  include  any  chemical  compound  or  any  mixture  that  contains 
any  oxidizing  and  combustible  units  or  other  ingredients  in  such  proportions, 
quantities  or  packing,  that  an  ignition  by  fire,  by  friction,  by  concussion,  by 
percussion,  or  by  detonation  of  any  part  of  the  compound  or  mixture  may 
cause  such  a sudden  generation  of  highly  heated  gases  that  the  resultant 
pressures  are  capable  of  producing  destructive  effects  on  contiguous  objects 
or  of  destroying  life  and  limb. 

( l ) Person.  The  term  “ person  ” shall  be  held  to  mean  and  include  a 
firm  or  body  corporate  as  well  as  natural  persons. 

(m)  Underground.  The  term  “underground”  shall  be  held  to  mean  within 
the  limits  of  any  mine  working  or  excavation. 

(n)  Employees.  The  term  “employees”  and  “men  employed”  shall  be 
held  to  mean  all  men  receiving  compensation  from  the  operator,  directly  or 
indirectly,  for  labor  or  services  performed  in  connection  with  the  mine,  and 
shall  include  contractors,  lessors,  lessees,  tributers,  or  anyone  else  similarly 
employed. 

(o)  Approved.  The  term  “approved”  shall  be  held  to  mean  approved  by 
the  Industrial  Commission. 


Rule  i oo  i.  General* 

(a)  The  operator  and  superintendent  of  every  mine  shall  use  every  reason- 
able precaution  to  insure  the  safety  of  the  workmen  in  the  mine  in  all  cases, 
whether  provided  for  in  these  rule  or  not. 

(b)  All  defects  in  or  damage  or  injury  to  machinery  or  timbering,  or  to 
apparatus  and  equipment  generally  in  and  about  a mine,  all  unsafe  or  dan- 
gerous conditions  in  any  part  of  the  mine,  and  all  accidents  occurring  in 
the  course  of  mining  operations,  other  than  those  of  a purely  minor  charac- 
ter, even  though  not  resulting  in  personal  injury,  shall  be  promptly  reported 
to  the  mine  foreman  or  superintendent  by  the  person  observing  the  same. 

(c)  Wages  shall  not  be  paid  on  any  premises  used  for  the  sale  of  intoxi- 
cating liquors. 

(d)  Each  workman  employed  in  the  mine,  when  first  engaged,  shall  have 
his  attention  directed  to  the  general  and  special  rules  provided  for  in  these 
rules. 


Rule  1002.  Superintendent 

The  operator  of  every  mine  shall  appoint  a man  who  shall  be  personally 
in  charge  of  the  mine  and  the  performance  of  the  work  done  therein,  who 
shall  be  designated  as  the  “ superintendent  ” ; provided,  however,  that  nothing 
herein  contained  shall  prevent  the  owner  or  operator  of  any  mine  from  per- 
sonally filling  the  office  of  superintendent. 

The  superintendent  of  every  mine  shall  inspect  or  cause  some  competent 
person  or  persons  appointed  by  him  to  inspect  all  mining  appliances,  boilers, 
engines,  magazines,  shafts,  shaft  houses,  underground  workings,  roof,  pillars, 
timbers,  explosives,  bell  ropes,  speaking  tubes,  telephone,  tracks,  ladders,  dry 


5 


closets,  and  all  parts  and  appliances  of  said  mine  in  actual  use,  and  any 
such  person  or  persons  appointed  by  the  said  superintendent  shall  at  once 
report  any  defect  therein  to  the  superintendent.  It  shall  be  the  duty  of 
the  superintendent,  upon  ascertaining  such  defects,  to  take  immediate  steps 
to  remedy  the  same,  so  as  to  make  the  same  comply  with  the  provisions  of 
these  rules,  and  he  shall  forthwith  notify  the  operator  of  said  mine  or  quarry 
of  the  existence  of  such  defects.  It  shall  be  the  duty  of  the  superintendent 
to  appoint  a competent  man  to  have  full  charge,  under  the  direction  of  said 
superintendent,  of  every  magazine  containing  explosives  situated  on  such 
mining  property,  and  to  make  such  other  appointments  and  perform  such 
other  duties  as  are  provided  by  these  rules  to  be  performed  by 
such  superintendent. 

Rule  1003.  Care  of  Injured 

It  shall  be  the  duty  of  operators,  superintendents,  or  anyone  in  charge  of 
any  mine,  to  keep  at  such  place  about  the  mine  as  may  be  designated  by  the 
Industrial  Commission,  a stretcher,  a woolen  blanket,  and  a waterproof 
blanket  in  good,  condition  for  use  in  carrying  any  person  who  may  be  injured 
at  the  mine.  Where  more  than  one  hundred  (100)  persons  are  employed, 
two  (2)  stretchers,  two  (2)  woolen  blankets  and  two  (2)  waterproof  blankets 
shall  be  kept.  At  all  mines  an  adequate  supply  of  materials  shall  be  kept 
readily  accessible  for  the  treatment  of  anyone  injured,  and  shall  include  the 
following  in  suitable  quantity:  First-aid  outfits  consisting  of  one  extra-long 
gauze  bandage  with  compress  sewed  in  its  center,  one  triangular  bandage 
with  methods  of  application  printed  thereon,  two  safety  pins,  and  one  card 
of  instructions;  large  first-aid  dressings  for  wounds;  packages  of  sterilized 
gauze;  assorted  bandages;  United  States  Army  tourniquet;  carbolated 
vaseline  or  boric  acid  ointment;  packages  of  picric  acid  gauze;  wooden  or 
wire-gauze  splints;  packages  of  absorbent  cotton;  safety  pins;  shears; 
tweezers;  aromatic  spirits  of  ammonia;  paper  cups;  first-aid  book  of  instruc- 
tions; soap;  basins;  towels.  Furthermore,  in  all  mines  where  one  hundred 
(100)  or  more  men  are  employed,  a first-aid  corps  shall  be  organized,  consist- 
ing of  the  foreman  or  foremen,  shift  bosses*,  timekeepers,  or  other  employees 
designated  by  the  superintendent;  and  it  shall  be  the  duty  of  the  operator 
or  superintendent  of  the  mine  to  cause  the  organization  of  such  employees 
and  to  procure  the  services  of  a competent  person  to  instruct  the  members 
of  such  first-aid  corps  from  time  to  time,  not  less  than  once  in  every  three 
months,  in  the  proper  handling  and  treatment  of  injured  persons  before  the 
arrival  of  a physician;  except  that  where  a hospital  is  maintained  in  connec- 
tion with  the  mine,  there  shall  be  provided  only  such  first-aid  equipment  as 
may  be  reasonably  necessary  to  prepare  the  injured  employee  for  removal  to 
the  hospital. 

Rule  1004.  Mine  Maps 

The  operator  of  every  mine  shall  make  and  maintain,  or  cause  to  be  made 
and  maintained  by  a competent  engineer  or  surveyor,  a clear  and  accurate 
map,  or  maps,  of  uniform  scale,  not  less  than  one  hundred  (100)  feet  to  the 
inch,  with  sections,  showing,  clearly  all  the  workings  of  such  mine.  At  least 
once  in  every  six  (6)  months,  or  oftener,  if  necessary,  the  operator  or  super- 
intendent of  each  mine  shall  cause  to  be  shown  clearly  and  accurately  on  the 


6 


map  or  maps  of  such  mine  all  the  excavations  made  therein  during  the  time 
elapsed  since  such  excavations  were  last  shown  on  such  map  or  maps,  and  all 
parts  of  such  mine  that  shall  have  been  worked  out  or  abandoned  during  said 
elapsed  period  of  time  shall  be  clearly  indicated  on  said  map  or  maps,  and  all 
underground  workings  shall  be  surveyed  and  mapped  before  they  are  allowed 
to  become  inaccessible.  Such  maps  shall  at  all  times  be  open  to  the  examina- 
tion of  the  Industrial  Commission.  In  the  event  of  the  closing  of  a mine 
under  conditions  that  will  result  in  its  workings  becoming  inaccessible,  the 
maps  herein  specified,  or  certified  copies  of  them,  shall  be  filed  with  the 
Industrial  Commission. 

Rule  1005.  Inflammable  Material 

(a)  It  shall  be  the  duty  of  the  operator  of  every  mine  in  which  oils  and 
other  dangerous  inflammable  materials  are  used,  to  store  such  materials,  or 
cause  them  to  be  stored,  in  a covered  building  kept  solely  for  such  storage, 
which  building  shall  be  at  least  one  hundred  (100)  feet  from  any  shaft,  tun- 
nel, or  other  mine  opening,  or  any  building  directly  connected  with  a mine 
opening,  and  at  least  three  hundred  (300)  feet  from  any  powder  magazine; 
provided,  that  gasoline,  naphtha,  distillate,  and  fuel  oils  may  be  stored  in  a 
tank  or  tanks  buried  in  the  ground,  which  tank  or  tanks  shall  be  provided 
with  proper  vents,  and  shall  be  placed  at  least  fifty  (50)  feet  from  any  shaft, 
tunnel,  or  other  mine  opening,  or  any  building  directly  connected  with  a mine 
opening,  and  at  least  three  hundred  (300)  feet  from  any  powder  magazine; 
and  provided  further,  that  lubricating  oils  may  be  stored  in  a well-constructed 
covered  building,  which  shall  be  at  least  fifty  (50)  feet  from  any  shaft,  tunnel, 
or  other  mine  opening,  or  any  building  directly  connected  with  a mine  open- 
ing, and  at  least  three  hundred  (300)  feet  from  any  powder  magazine.  No 
tank  shall  be  installed  from  which  oil  is  to  be  conducted  by  gravity  to  the 
point  of  combustion,  unless  such  tank  shall  be  so  located  that  escaping  oil 
cannot  run  over  the  surface  from  such  tank  to  any  building,  within  one  hun- 
dred (100)  feet  of  any  mine  opening. 

(b)  The  man  in  charge  of  such  building  or  tank  or  tanks,  who  shall  be 
the  superintendent  or  a person  expressly  designated  by  him,  shall  permit  only 
sufficient  oil  or  other  inflammable  material  to  be  taken  from  such  building 
or  tank  or  tanks  to  meet  the  requirements  of  paragraph  (c).  If  any  oil  or 
gasoline  storage  be  so  situated  that  leakage  would  permit  the  oil  or  gasoline 
to  flow  within  the  above  specified  distances,  means  to  prevent  such  flow  must 
be  provided. 

(c)  Oil,  either  lubricating  or  illuminating,  shall  not  be  taken  into  the 
underground  workings  of  any  mine,  or  kept  therein  in  quantities  greater  than 
necessary  to  afford  three  days’  supply,  except  when  the  transportation 
and  storage  are  arranged  for  in  a manner  satisfactory  to  the  Industrial 
Commission. 

(d)  The  storage  of  gasoline,  naphtha  and  other  distillates  underground  is 
prohibited;  provided,  however,  that  a supply  sufficient  for  one  day’s  operation 
of  blow  torches,  fuel  burning  engines  or  locomotives  may  be  kept  in  the  tank 
or  tanks  attached  to  such  equipment. 

(e)  Waste  timber  or  old  timber  shall  not  be  stored  and  permitted  to  decay 
in  the  mine  but  shall  be  removed  from  the  mine  promptly.  Empty  boxes, 
wooden  chips,  paper  and  combustible  rubbish  of  all  kinds  shall  not  be  allowed 
to  accumulate  underground. 


( 


EXPLOSIVES 

Rule  1006.  Storage  of  Explosives 

(a)  Sufficient  explosives  may  be  stored  within  a mine  to  meet  the  estimated 
requirements  of  such  mine  during  the  succeeding  twenty-four  hours,  and  an 
additional  twenty-four  hours’  supply  of  explosives  may  be  taken  within  the 
mine  for  the  purpose  of  thawing  the  same  in  accordance  with  the  provisions 
of  Rule  1008,  but  in  no  event  shall  any  greater  supply  of  explosives  be  taken 
into  or  stored  in  the  mine  than  is  required  to  meet  the  estimated  requirements 
of  the  mine  during  the  succeeding  forty-eight  hours. 

(b)  No  explosives  shall  be  kept  at  any  place  within  a mine  where  its  acci- 
dental discharge  would  cut  off  the  escape  of  miners  working  therein. 

(c)  All  daily  supplies  of  explosives  within  the  mine  shall  be  kept  in  stout, 
tight  boxes  with  hinged  lids,  which  shall  be  kept  securely  locked  except  at 
such  times  as  explosives  are  being  placed  therein  or  removed  therefrom,  from 
which  the  explosives  shall  be  removed  only  as  required  for  immediate  use. 
It  shall  be  unlawful  to  keep  such  boxes  containing  explosives  near  electric 
conductors  other  than  lighting  circuits,  or  in  any  required  manway  or  adja- 
cent to  shaft  landings,  or  to  permit  any  grains  or  particles  of  such  explosives 
to  be  or  remain  on  the  outside  or  about  the  containers  in  which  such  explo- 
sives are  held.  Black  blasting  powder  and  high  explosives  shall  not  be  kept 
in  the  same  box,  and  not  more  than  seventy-five  (75)  pounds  of  explosives 
shall  be  kept  in  such  box. 

(d)  When  more  than  seventy-five  (75)  pounds  of  explosives  are  kept  in  an 
underground  magazine,  they  shall  be  distributed  by  an  authorized  and  compe- 
tent person  or  persons.  Such  underground  magazine  may  consist  of  a separate 
drift  or  chamber,  the  walls  of  which  shall  be  of  fireproof  material  or  of  wood 
covered  with  sheet  iron.  The  entrance  to  such  underground  magazine  shall 
be  kept  securely  locked,  except  when  it  has  to  be  entered  by  the  person  or 
persons  in  charge  thereof. 

(e)  Keys  and  access  to  daily  supply  chests  shall  not  be  allowed  to  any 
person  other  than  a blaster,  or  duly  authorized  person. 

(f)  All  explosives,  in  excess  of  the  temporary  supply  authorized  to  be 
taken  into  or  stored  in  the  mine,  shall  be  stored  in  a magazine  above  ground. 

(g)  All  detonators  shall  be  stored  above  ground  in  a suitable  magazine  or 
magazines,  properly  protected  against  molestation;  provided,  that  a sufficient 
supply  for  the  needs  of  the  mine  for  forty-eight  (48)  hours  may  be  stored 
underground,  as  hereinbefore  stated.  No  detonators  shall  be  stored  within 
twenty  (20)  feet  of  other  explosives  underground.  No  detonator  shall  be 
taken  into  any  magazine  containing  other  explosives.  No  fuses  shall  be 
capped  with  detonators  in  any  magazine  or  in  any  other  place  where  deto- 
nators or  other  explosives  are  stored,  but  special  benches  shall  be  provided 
at  least  twenty  (20)  feet  from  such  storage  places,  where  all  fuses  shall  be 
capped.  Cap  crimpers  shall  be  furnished  in  sufficient  quantity  to  avoid  the 
necessity  of  crimping  in  any  other  way.  No  detonator  shall  be  transported 
with  other  explosives  except  when  made  into  a primer  with  such  other 
explosive. 

(h)  All  magazines  located  above  ground  shall  be  bullet-proof. 

(i)  Fuse  shall  not  be  stored  underground  for  a longer  period  than  forty- 
eight  (48)  hours. 


8 


(j)  When  supplies  of  explosives  or  fuse  are  removed  from  a magazine, 
those  that  have  been  longest  in  the  magazine  shall  be  taken  first.  Packages 
of  explosives  shall  be  removed  to  a safe  distance  from  the  magazine  before 
being  opened,  and  no  such  package  shall  be  opened  with  any  metallic 
instrument. 

Rule  1007.  Marking  of  Explosives,  Detonators  and  Fuses 

It  shall  be  unlawful  for  the  operator  or  superintendent  of  any  mine  to  per- 
mit the  use  within  such  mine  of  any  explosive,  or  any  blasting  caps  or  deto- 
nators, or  fuse,  unless  there  shall  be  printed  or  marked  on  every  original 
package  containing  explosives,  the  name  and  place  of  business  of  the  manu- 
facturer of  such  explosive,  the  date  of  its  manufacture  (if  the  date  of 
manufacture  is  in  code,  the  key  to  such  code  shall  be  furnished  on  applica- 
tion ) , and  its  character  and  grade ; andt  on  every  original  package  containing 
such  fuse,  the  name  and  place  of  business  of  the  manufacturer  of  such  fuse, 
and  the  date  of  its  manufacture  (if  the  date  of  manufacture  is  in  code,  the 
key  to  such  code  shall  be  furnished  on  application)  ; and  on  every  original 
package  containing  blasting  caps  or  detonators,  the  name  and  place  of  busi- 
ness of  the  manufacturer  of  such  blasting  caps  or  detonators,  the  date  of 
their  manufactur  (if  the  date  of  manufacture  is  in  code,  the  key  to  such 
code  shall  be  furnished  on  application),  and  their  grade. 

In  emergencies,  or  when  approved  by  the  Commission,  one  manufacturer 
may  supply  explosives  for  another  manufacturer,  under  the  latter’s  brand. 

It  is  recommended  that  employers  provide  common  or  safety  fuse  of  uni- 
form speed,  preferably  ninety  (90)  seconds  per  yard. 

Rule  1008.  Conveying,  Thawing,  Blasting,  Misfires,  Etc. 

(a)  The  superintendent  shall  appoint  a sufficient  number  of  experienced 
blasters  to  handle  explosives  and  to  do  blasting. 

(b)  All  foremen  and  gang  bosses  shall  be  experienced  blasters  and  shall 
supervise  the  handling  of  explosives  and  see  that  blasting  operations  are  car- 
ried on  in  accordance  with  the  rules  and  regulations  herein  prescribed. 

(c)  The  daily  quantity  of  explosives  shall  be  brought  at  regular  time  daily 
to  mine  entrance,  and  taken  directly  to  suitable  receptacles,  as  herein 
described. 

(d)  Detonators  shall  not  be  carried  into  the  mine  with  other  explosives, 
nor  shall  any  person  ride  in  the  same  cage,  skip  or  car  with  explosives. 

(e)  No  blaster  shall  attempt  to  use  any  dynamite  that  is  frozen,  nor  deto- 
nators of  less  than  No.  6 strength. 

(f)  No  quantity  greater  than  is  sufficient  for  daily  use  shall  be  artificially 
thawed  at  one  time. 

(g)  Only  approved  methods  of  thawing  shall  be  permitted. 

(h)  No  person  shall  approach  or  open  chests  or  magazines  containing 
explosives,  nor  prime  while  using  naked  light. 

(i)  Fuse  may  be  kept  with  detonators  and  all  crimping  of  caps  on  fuse 
shall  be  done  with  proper  crimper  and  at  least  twenty  ( 20)  feet  away  from 
explosives. 

(j)  Chests  containing  daily  supply  of  explosives  shall  be  protected  from 
derailed  cars,  and  from  blasts  and  falls. 


9 


(k)  No  tools  or  other  articles  shall  be  kept  with  the  explosives  or  with  the 
detonators,  except  that  the  detonator  chest  may  contain  one  or  more  crimpers, 
and  the  explosive  chest  may  contain  a hardwood  wedge  and  mallet. 

(l)  All  drill  holes  shall  be  of  sufficient  bore  to  admit  of  the  free  insertion 
to  the  bottom  of  the  hole  of  a cartridge  of  explosive  without  ramming  or 
removing  the  dynamite  from  its  original  wrapper,  except  for  block  holes. 

(m)  Fuse  shall  not  be  laced  through  cartridges  for  forming  a primer. 

(n)  Foreman  or  shift  boss  shall,  before  drilling  is  commenced  on  any 
shift,  ascertain  whether  all  holes  fired  on  the  previous  shift  have  been 
exploded,  and  shall  cause  all  remaining  holes  to  be  examined  with  a wooden 
stick  for  unexplodedJ  charges  or  cartridges,  and  if  any  are  found,  same  shall 
be  retired  or  a new  hole  drilled  and  fired  before  regular  drilling  is  commenced. 

(o)  Explosives  shall  not  be  extracted  from  a hole  which  has  once  been 
charged;  the  tamping  only  may  be  withdrawn  sufficiently  to  allow  a missed 
shot  being  fired  by  insertion  of  fresh  additional  charge  of  primer. 

(p)  Blaster  shall  be  furnished  with  hard  wood  rod's  for  tamping,  and  he 
shall  not  tamp  or  load  any  hole  with  a metal  bar,  nor  shall  the  wooden  rod 
have  any  metal  parts;  except  that  where  black  powder  with  no  detonator  is 
used,  tamping  will  be  permitted  with  a copper-tipped  tamping  rod. 

(qi  Firing  shall  be  done  by  safety  fuse  or  approved  battery  or  from  an 
electric  current  or  not  over  two  hundred  and  fifty  (250)  volts,  provided  a 
suitable  switch  is  used,  as  hereinafter  described.  Other  methods  of  firing 
may  be  permitted  upon  application  and  approval  by  the  Industrial 
Commission. 

(r)  When  firing  by  electricity  from  power  or  lighting  wires  in  any  mine, 
a proper  switch  shall  be  furnished  with  lever  down  when  * off.”  The  switch 
shall  be  fixed  in  a locked  box,  to  which  no  person  shall  have  access  except 
the  blaster.  The  lead  wires  shall  be  furnished  with  plugs  and  shall  not  be 
connected  with  the  switch  till  ready  to*  fire.  After  blasting,  the  switch  lever 
shall  be  pulled  out,  the  wires  disconnected,  and  the  box  locked  before  any 
person  shall  be  allowed  to  return,  and  shall  remain  so  locked  until  again 
ready  to  blast. 

(s)  All  power  lines  and  electric  light  wires  shall  be  disconnected  at  a point 
outside  the  blasting  switch  before  explosives  are  taken  in  and  loading  of  holes 
is  proceeded  with.  No  current  by  grounding  of  power  or  lighting  wires  or 
banded  rails  shall  be  allowed  beyond  blasting  switch  after  explosives  are  taken 
in  preparatory  to  blasting,  and  under  no  circumstances  shall  grounded  cur- 
rent be  used  for  exploding  blasts. 

(t)  The  blaster  shall  cause  a sufficient  warning  to  be  sounded  and  shall  be 
responsible  that  all  persons  retreat  to  safe  shelter  before  he  sets  off  blast,  and 
shall  also  see  that  none  return  until  he  reports  it  safe  for  them.  He  shall 
report  to  the  mine  foreman  and  furnish  names  of  all  persons  refusing  to  obey 
his  caution.  Suitable  and  convenient  shelters  shall  be  provided. 

(u)  When  a blaster  fires  a round  of  holes,  he  shall  count  the  number  of 
shots  exploding,  except  in  case  of  instantaneous  blasting  by  electricity.  If 
there  are  any  misfires,  he  shall  report  the  same  to  the  gang  boss  or  foreman. 
The  blaster  shall  not  leave  until  he  has  placed  a wooden  plug  painted  red, 
or  other  proper  danger  signal,  in  the  mouth  of  the  missed  hole.  If  a missed 
hole  has  not  been  fired  at  the  end  of  the  shift,  that  fact,  together  with  the 


10 


position  of  the  hole,  shall  be  reported  by  the  mine  foreman  or  shift  boss  to 
the  mine  foreman  or  shift  boss  in  charge  of  the  next  relay  of  miners,  before 
work  is  commenced  by  them. 

(v)  No  person  shall  be  allowed  to  deepen  holes  that  have  previously  con- 
tained explosives. 

(w)  All  wires  in  broken  ore  or  rock  shall  be  carefully  traced  and  search 
made  for  unexploded  cartridges. 

(x)  Whenever  blasting  is  being  done  in  a mine  at  points  liable  to  break 
through  to  where  other  men  are  at  work,  the  foreman  or  person  in  charge 
shall,  before  any  holes  are  loaded,  give  warning  of  danger  to  all  persons  that 
may  be  working  where  the  blasts  may  break  through,  and  he  shall  not  allow 
any  holes  to  be  charged  until  warning  is  acknowledged  and  men  are  removed. 

(y)  Blasters,  when  testing  circuit  through  charged  holes,  shall  use  sufficient 
leading  wires  to  be  at  a safe  distance,  and  shall  use  only  approved  types  of 
galvanometers.  No  tests  of  circuits  in  charged  holes  shall  be  made  until  men 
are  removed  to  safe  distance. 

(z)  No  blasts  shall  be  fired  with  fuse  in  vertical  or  steep  shafts  from 
which  men  have  been  hoisted  to  safety. 

(aa)  A daily  record  of  all  misfires  shall  be  kept  at  the  mine  office,  giving 
name  of  loading  blaster  and  name  of  blaster  that  refired  it. 

Rule  1009.  Hoisting  Engineer 

(a)  It  shall  be  the  duty  of  every  superintendent  of  every  mine  having  a 
hoisting  engine  to  appoint  and  designate  one  or  more  men,  who  shall  be  able 
to  speak  and  read  the  English  language  readily,  to  be  known  as  hoisting 
engineers.  At  all  shafts  where  men  are  hoisted  or  lowered,  such  hoisting 
engineers  shall  be  not  less  than  twenty-one  (21)  years  of  age,  and  at  shafts 
where  men  are  not  so  hoisted  or  lowered,  they  shall  be  not  less  than  eighteen 
(18)  years  of  age.  It  shall  be  the  duty  of  every  superintendent  to  appoint 
as  hoisting  engineers  men  who  are  familiar  with  the  details  and  working 
of  a hoisting  engine,  and  except  in  case  of  emergency,  to  permit  no  one  other 
than  such  duly  appointed  hoisting  engineers  to  run  such  engine  or  hoisting 
machinery;  except  that,  by  and  with  the  consent  of  the  superintendent,  speci- 
fied apprentices  may  be  taught  the  operation  of  the  hoisting  engine  at  such 
times  and  under  such  restrictions  as  the  superintendent  may  determine  to  be 
free  of  risk  to  life  and  limb. 

(b)  At  very  mine  in  which  fifty  (50)  or  more  men  per  shift  are  to  be 
hoisted  or  lowered  at  the  beginning  or  ending  of  shift,  there  shall  be  with  the 
hoisting  engineer  an  extra  man  competent  to  operate  the  engine. 

» 

Rule  1010.  Hoisting 

(a)  The  superintendent  of  the  mine  shall  establish  for  each  shaft  rates  of 
speed  for  the  cages,  skips,  buckets,  or  other  conveyances  that  shall  not  be 
exceeded  in  the  hoisting  or  lowering  of  men,  and  he  shall  post  a notice  of 
such  limitation  in  a conspicuous  place  near  each  hoisting  engine;  such  rates 
of  speed  shall  not  exceed  the  maximum  approved  by  the  Industrial 
Commission. 

(b)  The  superintendent  of  the  mine  shall  determine  the  maximum  number 
of  men  that  in  his  judgment  may  safely  ride  on  each  cage,  skip,  bucket,  or 


11 


other  conveyance  used  in  the  mine  under  his  supervision,  and  shall  post  in  a 
conspicuous  place  near  each  shaft  a notice  stating  the  maximum  number  of 
persons  so  permitted  to  ride  and  forbidding  the  carrying  of  any  greater 
number.  At  the  beginning  and  ending  of  each  shift  the  mine  foreman  or 
shift  boss,  or  some  other  responsible  person  appointed  by  the  superintendent, 
shall  be  stationed  on  the  loading  platforms  or  landing  places  of  each  shaft 
where  men  are  to  be  hoisted  and  lowered',  and  shall  prevent  any  greater 
number  of  men  than  that  permitted  by  order  of  the  superintendent 
to  enter  upon  or  into  any  cage,  skip,  bucket,  or  other  conveyance,  and  shall 
remain  at  such  stations  until  the  last  man  about  to  ascend  or  descend  the 
shaft  shall  have  entered  the  cage,  skip,  bucket,  or  other  conveyance.  And  at 
the  end  of  the  shift,  the  man  in  charge  of  work  on  each  level  of  the  mine 
from  which  the  men  are  to  be  hoisted  shall  post  himself  in  the  station  of  the 
shaft  at  that  level,  and  shall  prevent  any  greater  number  of  men  than  the 
maximum  permitted  by  the  superintendent  of  the  mine  to  enter  upon  or  into 
any  cage,  skip,  bucket,  or  other  conveyance,  and  shall  remain  in  this  station 
until  the  last  man  to  ascend'  shall  have  entered  upon  or  into  the  cage,  skip, 
bucket,  or  other  conveyance.  The  number  of  persons  permitted  to  ride,  as 
determined  by  the  superintendent,  shall  not  exceed  the  maximum  approved  by 
the  Industrial  Commission. 

(c)  During  such  other  times  when  men  are  hoisted  or  lowered  by  cage  or 
other  conveyance,  except  a bucket,  such  cage  or  other  conveyance  shall  be 
operated  under  the  charge  of  a person  or  persons  appointed  as  conductors  or 
starters,  and  no  person  other  than  these  conductors  or  starters  shall  give  any 
signal  for  the  movement  of  the  cage  or  other  conveyance. 

(d)  In  hoisting  or  lowering  men  with  a bucket,  the  speed,  except  in  the 
case  of  apprehended  danger,  shall  not  exceed  two  hundred  (200)  feet  per 
minute  when  the  bucket  is  within  one  hundred  (100)  feet  of  the  surface,  or 
five  hundred  (500)  feet  per  minute  in  any  other  part  of  the  shaft. 

Rule  ion.  Safeguards  Against  Overwinding 

(a)  For  the  purpose  of  safeguarding  life,  provision  against  overwinding, 
approved  by  the  Industrial  Commission,  shall  be  installed. 

(b)  The  operator  of  a mine  shall  install  in  every  shaft  through  which 
more  than  fifty  (50)  men  are  hoisted  per  shift,  by  cage,  skip  or  man  car,  a 
device  which  shall  give  a warning  signal  in  the  engine  room  whenever  the 
cage  or  skip  in  ascending  reaches  a point  not  less  than  sixty  (60)  feet  below 
the  limit  of  travel  of  the  cage  or  skip. 

Rule  ioi2.  Duties  of  Hoisting  Engineer 

(a)  It  shall  be  the  duty  of  every  hoisting  engineer  to  keep  a careful  watch 
over  his  engine  and  over  all  machinery  under  his  charge. 

(b)  He  shall,  while  on  duty,  be  in  immediate  charge  of  his  engine,  and 
shall  not  at  any  time  delegate  any  of  his  duties  to  any  other  person,  except 
to  apprentices  duly  designated,  as  provided  in  these  rules. 

(c)  He  shall  familiarize  himself  with  and  use  the  signal  code  posted  in  the 
engine  room,  as  hereinafter  provided. 

id)  He  shall  not  run  his  engine  unless  the  same  is  properly  provided  with 
brakes,  indicators,  and  distance  marks  on  hoisting  ropes  or  cables,  as  provided 
in  these  rules. 


12 


(e)  It  shall  be  the  duty  of  the  hoisting  engineer  to  exclude  every  person 
from  his  engine-room,  excepting  any  person  or  persons  whose  duties  require 
their  presence  therein,  and  visitors  authorized  by  the  superintendent  of  the 
mine. 

(f)  He  shall  hold  no  conversation  with  anyone  while  his  engine  is  in 
motion,,  or  while  attending  to  signals. 

(g)  He  shall  not  hoist  men  out  of,  or  lower  men  into,  any  mine  or  shaft 
at  a speed  greater  than  the  rate  posted  in  the  engine-room. 

(h)  He  shall  inspect  all  hoisting  machinery  and  safety  appliances  con- 
nected therewith,  and  shall  report  any  defects  found  therein. 

(i)  After  any  stoppage  of  hoisting  for  repairs  or  for  any  other  purpose 
exceeding  in  duration  one  hour,  he  shall  run  a bucket,  skip,  cage,  or  other 
conveyance,  on  which  no  men  shall  ride,  up  and  down  the  working  part  of 
the  shaft  at  least  once,  and  shall  not  permit  the  bucket,  skip,  cage,  or  other 
conveyance  to  be  used  for  hoisting  or  lowering  men  until  the  hoisting 
machinery  and  shaft  shall  have  been  found  to  be  in  safe  condition. 

(j)  He  shall  do  no  hoisting  in  any  compartment  of  a shaft  while  repairs 
are  being  made  in  the  said  hoisting  compartment  except  such  hoisting  as  may 
be  necessary  to  make  such  repairs. 

(k)  He  shall  not  turn  over  the  charge  of  the  engine  to  his  relief  at  change 
of  shift,  or  at  any  other  time,  while  the  bucket,  skip,  cage,  or  other  convey- 
ance is  in  motion. 


Rule  1013.  Hoisting  Ropes 

(a)  No  operator  of  any  mine  shall  use  any  rope  or  cable  for  hoisting  or 
lowering  men  when  such  hoisting  or  lowering  is  done  by  any  means  other 
than  human  or  animal  power,  unless  such  rope  or  cable  shall  be  composed  of 
metal  wires,  with  a factor  of  safety  determined  as  hereinafter  set  forth; 
provided,  however,  that  such  metal  wires  may  be  laid  around  a hemp  center. 

(b)  The  factor  of  safety  of  all  such  ropes  or  cables  shall  in  no  case  be  less 
than  five  ( 5 ) . 

(c)  No  head  or  angle  sheave  of  a diameter  less  than  sixty  (60)  times  the 
diameter  of  the  rope  shall  be  used  for  hoisting  or  lowering  men. 

(d)  There  shall  not  be  used  any  rope  or  cable  for  the  raising  or  lowering 
of  men,  either  when  the  number  of  breaks  in  any  consecutive  ten  (10)  feet 
of  said  rope  exceeds  ten  (10)  per  cent  of  the  total  number  of  wires  composing 
the  rope,  or  when  the  wires  on  the  crown  of  the  strands  are  worn  down  to 
less  than  sixty  (60)  per  cent  of  their  original  area,  or  when  the  superficial 
inspection  provided  for  in  these  rules  shows  marked  signs  of  corrosion.- 

(e)  All  ropes  used  for  lioising  or  lowering  mien  shall  be  thoroughly  inspected 
once  in  every  week  by  some  competent'  person  designated  for  the  purpose  by 
the  superintendent.  If  upon  any  inspection,  such  hoisting  rope  or  cable  shall 
be  found  to  be  below  the  requirements  set  forth  in  these  rules,  it  shall  be 
discontinued  for  such  purpose  forthwith. 

(f ) Every  rope  used  for  hoisting  or  lowering  men  shall  be  securely  fastened 
at  both  ends,  and  when-  in  use  shall  never  be  fully  unwound;  at  least  two 
(2)  full  turns  shall  remain  always  on  the  drum  or  reel.  The  end  of  the 
rope  attached  to  the  conveyance  in  the  shaft  shall  either  be  securely  fastened 
within  a tapered  socket  or  else  it  shall  be  bound  around  an  oval  thimble  and 
then  fastened  to  itself  by  splicing  or  by  the  use  of  three  or  moTe  clamps. 


13 


Rule  1014.  Cages  for  Hoisting  Men 

In  all  shafts  an  iron  bonneted  safety  cage  shall  he  used  for  hoisting  and 
lowering  men;  but  this  provision  shall  not  apply  to  shafts  in  the  process  of 
sinking. 

It  shall  be  the  duty  of  the  operator  to  have  all  cages  in  which  men  are 
hoisted  and  lowered,  used  in  such  shafts,  constructed  as  follows,  or  in  a 
manner  equally  safe: — The  bonnet  shall  be  of  two  (2)  steel  plates  not  less 
than  three-sixteenths  (3/16)  of  an  inch  in  thickness,  sloping  toward  each 
side,  and  so  arranged  that  they  may  be  readily  pushed  upward  to  afford 
egress  to  persons  therein,  and  such  bonnet  shall  cover  the  top  of  the  cage 
in  such  manner  as  to  protect  persons  on  the  cage  from,  objects  falling  in  the 
shaft.  The  cage  shall  be  provided  with  metal  plate  or  wire  mesh  siding,  not 
greater  than  two  (2)  inch  mesh,  the  wires  of  which  shall  be  not  less  than 
No.  8 U.  S.  standard  gauge,  and  with  gates  either  hung  on  hinges  opening 
inwardly  or  working  in  slides;  when  men  are  being  hoisted  or  lowered  such 
gates  shall  be  closed  before  the  car  is  put  in  motion.  Every  cage  shall  be 
provided  with  an  approved  safety  catch  of  sufficient  strength  to  hold  the  cage 
or  skip  with  its  maximum  load  at  any  point  in  the  shaft,  in  the  event  that 
the  hoisting  cable  should  break. 

Rule  1015.  Two  (2)  Openings  to  Surface 

It  shall  be  the  duty  of  every  operator  of  every  mine,  except  as  hereinafter 
provided,  to  maintain  at  least  two  (2)  outlets  to  the  surface  from  such  mine, 
or  an  underground  communicating  passageway  between  such  mine  and  some 
other  mine,  so  that  there  shall  be  at  all  times  at  least  two  (2)  distinct  and 
available  means  of  access  to  the  surface  to  all  persons  employed  in  such  mine. 
Such  outlets  shall  not  be  less  than  two  hundred  (200)  feet  apart,  and  there 
shall  be  between  them  a space  not  less  than  one  hundred  (100)  feet  in  width 
free  of  buildings  or  inflammable  material. 

Provided,  however,  that  the  above  requirements  shall  not  apply  in  the  case 
of:  (a)  Shafts  or  mines  in  process  of  being  connected,  to  comply  with  the 
terms  of  this  rule;  (b)  Shafts,  winzes,  adit  levels,  tunnels,  and  drifts  to 
prospect  for  and  develop  mineral  substances,  but  not  for  the  extraction  of 
mineral  substances,  except  such  as  may  be  extracted  in  the  course  of  such 
prospecting  and  developing  work;  (c)  Any  mine  in  which  one  of  the  shafts 
or  outlets  shall  have  temporarily  become  unavailable  for  the  persons  employed 
in  the  mine,  and  in  which  every  effort  is  being  made  by  the  operator  of  the 
mine  to  open  such  temporarily  unavailable  outlet,  and  provided  the  same 
is  not,  in  the  opinion  of  the  Industrial  Commission,  dangerous  to  the  life 
and  health  of  those  employed  therein;  (d)  mines  having  workings  less  than 
one  hundred  (100)  feet  deep  and  extending  less  than  three  hundred  (300) 
feet  from  the  shaft  in  any  direction,  but  not  mines  opened  primarily  by  an 
adit  level  or  tunnel;  and  (e)  mines  opened  by  an  adit  level,  tunnel  or  drift 
less  than  one  thousand  (1,000)  feet  in  length;  and  provided,  further,  that 
mines  opened  by  an  inclined  shaft  of  less  than  twenty  (20)  degrees  angle 
from  the  horizontal  shall  be  considered  for  the  purpose  of  these  rules  as 
equivalent  to  a mine  opened  by  an  adit  level,  tunnel  or  drift. 

Provided,  further,  that  any  prospecting  or  development,  exempt  under 
exception  (b)  from  providing  two  (2)  outlets  to  the  surface,  shall  not  permit 


14 


more  than  twenty-five  (25)  men  to  work  underground  at  any  one  time.  The 
exemption  granted  under  the  provisions  of  subdivision  (b)  may  be  withdrawn 
by  the  Industrial  Commission,  when  after  investigation,  it  appears  that  the 
operation  has  extended'  beyond  the  prospecting  or  developing  stage. 

Provided,  however,  that  in  mines  opened  by  adit  levels,  slopes,  or  both, 
the  Industrial  Commission  may  waive  the  requirements  of  this  rule,  when 
after  investigation  by  the  Industrial  Commission,  existing  conditions  are,  in 
its  opinion,  found  to  be  such  that  the  safety  of  the  occupants  would  not  be 
endangered  thereby. 

Rule  1016.  Openings  Through  Other  Mines 

When  a common  communicating  escapement  outlet  is  established  between 
mines,  such  outlet  shall  be  maintained  clear  of  obstruction  to  travel,  and 
intervening  doors,  if  any,  shall  be  kept  unlocked  and  ready  at  all  times  for 
immediate  use. 

In  the  event  that  escape  by  such  communicating  outlet  be  cut  off  the 
owner  or  operator,  upon  whose  property  the  secondary  outlet  is  rendered 
unavailable,  shall  immediately  notify  the  owner  or  operator  of  the  adjoining 
mine  and  the  Industrial  Commission. 

Rule  1017.  Mines  Having  Only  One  Outlet 

In  every  mine  where,  under  the  provisions  of  Rule  1015  of  these  rules, 
only  one  outlet  is  required,  and  where  a single  shaft  affords  the  only  means 
of  ingress  or  egress  to  persons  employed  underground,  such  shaft  shall  be 
divided  into  at  least  two  (2)  compartments  by  solid  partitions.  One  of  said 
compartments  shall  be  set  aside  for  use  as  a ladderway  and  no  hoisting 
conveyance  shall  be  allowed  therein.  Whenever  such  shaft  shall  be  covered 
by  a non-fireproof  building,  it  shall  be  the  duty  of  the  operator  of  said  mine 
to  cause  said  ladderway  to  be  securely  bulkheaded  at  a point  at  least  twenty- 
five  ( 25 ) feet  below  the  collar  of  the  shaft ; and  below  this  bulkhead  a passage- 
way shall  be  driven  to  the  surface  so  as  to  have  its  outlet  in  no  case  less  than 
thirty  (30)  feet  beyond  the  walls  of  the  building  covering  the  main  shaft. 
The  said  passageway  shall  be  equipped  with  a ladderway  when  necessary, 
as  provided  in  Rule  1019  of  these  rules  and  shall  be  kept  in  good  repair  and 
shall  afford  an  easy  exit  in  the  event  of  fire.  Every  mine  opened  by  adit 
level  or  tunnel  or  by  an  inclined  shaft  or  slope  of  less  than  twenty  (20) 
degrees  angle  from  the  horizontal,  which  is  less  than  one  thousand  (1,000) 
feet  in  length,  shall  have  a similar  side  outlet,  if  covered  by  a non-fireproof 
building. 

Rule  1018.  Protection  of  Outlets  Against  Fire 

It  shall  be  unlawful  for  the  operator  of  any  mine  after  the  passage  of  these 
rules  to  erect  any  combustible  structure  over  the  shaft,  tunnel,  or  other 
mine  opening,  except  open  headframe  necessary  for  hoisting  from  such  shaft 
or  other  mine  opening,  and  the  hatch  or  door  necessary  for  closing  such  shaft 
or  other  mine  opening.  Provided,  however,  that  a housing  of  non-inflammable 
and  fireproof  material  may  be  erected  over  any  shaft,  tunnel  or  other  mine 
opening  to  protect  the  men  working  at  such  point. 

It  shall  be  the  duty  of  every  operator  to  provide  every  adit,  tunnel,  inclined 
shaft,  or  slope  of  less  than  twenty  (20)  degrees  angle  from  the  horizontal 


15 


the  mouth  of  which  is  covered  by  a building  or  house  of  any  kind,  with  a 
tightly- fitting  door  near  the  mouth  of  such  adit,  tunnel,  inclined  shaft, 
or  slope  of  less  than  twenty  (20)  degrees  angle  from  the  horizontal  that  can 
be  closed  from  the  outside  of  the  building  by  a pull  wire  or  cable. 

Rule  1019.  Ladders  and  Ladderways 

It  shall  be  the  duty  of  the  operator  of  every  mine  to  provide  in  addition  to 
any  mechanical  means  of  ingress  and  egress,  at  least  one  means  of  outlet  for 
the  miners  by  means  of  ladders  from  the  lowest  workings  of  the  mine  to  the 
surface.  Except  in  the  case  of  swinging  or  extension  ladders  used  for  shaft 
sinking  all  ladders  and  ladderways  hereafter  constructed  shall  be  built  as 
prescribed  in  the  following  rules: 

(a)  The  distance  between  the  centers  of  the  rungs  of  a ladder  shall  not 
exceed  fourteen  (14)  inches  and  shall  not  vary  more  than  one  (1)  inch  in 
any  one  ladderway.  The  length  of  the  ladder  rungs  (width  of  ladder)  shall 
not  be  less  than  twelve  (12)  inches. 

(b)  The  rungs  of  a ladder  shall  in  no  case  be  less  than  three  (3)  inches 
from  the  wall  or  other  obstruction  in  the  shaft  or  opening  in  which  the  ladder 
shall  be  used. 

(c)  Every  main  ladderway  with  an  inclination  of  more  than  seventy  (70) 
degrees  from  the  horizontal,  the  distance  between  the  top  and  bottom  of  which 
is  more  than  fifty  (50)  feet,  shall  have  substantial  platforms  at  intervals 
of  not  more  than  thirty  (30)  feet,  measured  vertically.  Where  the  inclina- 
tion of  any  ladder  or  section  of  a ladder,  in  main  ladderways,  exceeds  eighty 
(80)  degrees  from  the  horizontal,  all  ladder  sections  shall  be  placed  at  one 
and  the  same  side  of  the  main  shaft,  and  shall  be  inclined  in  the  same 
direction. 

(d)  All  such  platforms,  except  for  an  opening  large  enough  to  permit  the 
passage  of  a man,  shall  be  closely  covered,  or  protected  by  railings. 

(e)  Ladders  shall  project  at  least  three  (3)  feet  above  every  platform  in 
the  ladderway  and  at  least  three  ( 3 ) feet  above  the  collar  of  the  shaft,  unless 
secure  hand  holds  are  fixed  at  such  places. 

(f)  In  ladderways,  other  than  main  ladderways,  not  exceeding  fifty  (50) 
feet  in  depth  or  height,  ladders  may  be  fixed  vertically. 

(g)  Under  no  circumstances  shall  any  ladder  inclining  backward  from  the 
vertical  be  installed. 

(h)  Ladderways  shall  be  provided  in  all  shafts  steeper  than  thirty  (30) 
degrees  from  the  horizontal  in  the  course  of  sinking  to  within  such  a distance 
from  the  bottom  thereof  as  will  secure  them  from  damage  by  blasting.  From 
the  end  of  such  ladderways,  chain,  wire  rope  or  wooden  extension  ladders,  or 
chains  to  reach  to  the  bottom  of  the  shaft  shall  be  provided. 

Rule  1020.  Ventilation 

The  operator  of  every  mine,  whether  operated  by  shaft,  slope,  tunnel, 
adit  level,  or  drift,  shall  provide  and  maintain  for  every  such  mine  a good1 
and  sufficient  amount  of  ventilation  for  such  men  and  animals  as  may  be 
employed  therein,  and  shall  cause  an  adequate  quantity  of  pure  air  to  cir- 
culate through  and  into  all  the  shafts,  winzes,  levels,  and  all  the  working 
places  of  such  mine. 


16 


Note:  It  is  strongly  recommended,  that  the  recommendations  as  prepared 
by  the  Bureau  of  Mines  from  time  to  time  be  followed. 

Rule  1021.  Sanitation  — Dry  Closets,  Drinking  Water,  Change  Houses,  Etc. 

It  shall  be  the  duty  of  the  operator  of  every  mine,  for  the  purpose  of  improv- 
ing the  sanitation  thereof  and  preserving  the  health  of  those  employed  therein, 
to  provide  dry  closets,  water  closets,  chemical  closets,  or  closet  cars  upon  all 
main  working  levels,  for  the  use  of  all  men  employed  in  the  mine.  At  least 
one  (1)  such  closet  shall  be  provided  for  every  twenty- five  (25)  men  employed 
within  the  mine.  Ready  means  of  access  to  each  such  closet  shall  be  provided 
by  the  operator.  No  closet  shall  be  constructed  without  adequate  provision 
for  the  effectual  cleansing  and  removing  of  the  contents  thereof,  which  shall 
be  removed  and  disposed  of  at  least  twice  a week.  It  shall  he  the  duty  of 
the  mine  foreman  to  cause  each  dry  closet  to  be  supplied  with  some  disin- 
fectant or  deodorizer  to  be  sprinkled  upon  the  contents  thereof.  It  shall  be 
the  duty  of  all  men  employed  within  any  mine  where  such  closets  are  provided 
to  use  such  closets  exclusively  when  in  the  mine.  Provided,  however,  that 
this  rule  shall  not  apply  to  any  mine  where  the  operator  or  superintendent 
prefers  to  permit  the  men  to  go  to  the  surface,  and  requires  the  men  so  to 
do. 

Every  stable  or  other  place  underground  used  for  the  housing  of  mules, 
horses  or  other  animals,  shall  be  kept  thoroughly  cleaned  and  the  waste  con- 
tents thereof  removed  to  the  surface. 

It  shall  also  be  the  duty  of  the  operator  of  every  mine  to  provide  a good 
quantity  of  drinking  water  for  the  use  of  all  men  employed  in  the  mine,  a 
supply  of  which  shall  be  provided  on  each  main  working  level,  and  it  shall 
be  the  further  duty  of  the  superintendent  to  cause  such  supply  of  drinking 
water  to  be  adequately  protected  from  contamination. 

The  operator  of  every  mine  employing  more  than  twenty-five  (25)  men 
underground,  shall  provide  a wash  and  change  house,  and  such  wash  and 
change  house  shall  be  adequately  heated,  lighted  and  with  sufficient  water 
supply  of  warm  water  available  to  the  men,  open  at  all  reasonable  hours,  free 
of  cost. 

Rule  1022.  Roof  Inspection 

In  all  mines  where  stoping  in  done  by  the  opening  of  chambers,  the  roof 
thereof  being  supported  only  by  the  walls  of  the  chambers,  or  by  pillars,  it 
shall  be  the  duty  of  the  superintendent  of  the  mine  to  detail  a competent  man 
to  make  a frequent  inspection  of  the  roof  of  those  parts  of  the  mine  where 
men  are  employed,  and  said  man  so  detailed  shall  be  charged  with  the  duty 
of  dislodging  any  slabs  of  rocks  or  ore  in  said  roof  that  have  become  loose. 
Until  such  dislodgment  is  effected,  the  floor  of  the  stope  immediately  beneath 
such  loose  rock  shall  be  fenced  off  or  otherwise  adequately  guarded;  provided, 
however,  that  it  shall  be  the  duty  of  every  miner  to  care  for  the  roof  at  his 
working  place. 

It  shall  also  be  the  duty  of  the  superintendent  of  the  mine  to  cause  fre- 
quent inspection  to  be  made  by  a competent  person,  detailed  for  such  purpose, 
of  the  roofs  of  stopes,  inclined  shafts,  inclined  winzes,  and  other  workings, 
and  of  the  sides  of  shafts  and  winzes  when  any  of  these  are  used  as  traveling 
ways,  and  of  the  roofs  of  all  drifts,  adit  levels,  tunnels  and  gangways.  The 
roof  of  the  working  places  and  the  passages  traversed  by  the  employees  going 


17 


to  and  from  same  sliall  be  inspected  daily  and  dangerous  conditions  shall  be 
remedied. 

Rule  1023.  Safety  Pillars 

No  stopeing  shall  he  done  within  twenty  (20)  feet  of  a shaft  that  is  used 
for  hoisting  men  or  material.  The  Industrial  Commission  may  waive  the 
requirements  of  this  rule,  when  after  investigation  by  the  Industrial  Com- 
mission, existing  conditions  are,  in  its  opinion  found  to  be  such  that  the  safety 
of  the  occupants  would  not  be  endangered  thereby. 

No  stopeing  shall  be  done  within  ten  (10)  feet  of  the  boundary  line  of  a 
mining  property,  except  on  application  to  and  permission  by  the  Industrial 
Commission. 

Rule  1024.  Intoxicating  Liquor  Prohibited  in  Mines 

No  person  shall,  while  under  the  influence  of  intoxicating  liquor,  enter 
any  mine,  or  any  of  the  buildings  connected  with  the  operation  of  the  same, 
where  miners  or  other  workmen  are  employed,  nor  shall  intoxicating  liquors 
be  brought  into  any  such  places. 

Provided,  however,  that  nothing  herein  contained  shall  prevent  the  carry- 
ing of  any  alcoholic  spirits  or  other  stimulants  into  such  mine  or  buildings 
for  the  purpose  of  administering  to  anyone  injured  therein. 

Rule  1025.  Candles 

(a)  At  all  timbered  stations  where  candles  are  kept  burning,  there  shall 
be  provided  metal  sconces  of  sufficient  size  to  catch  and  hold  drippings  and 
dropping  wicks. 

(b)  It  shall  be  the  duty  of  any  person  using  a candle  or  other  portable 
light  in  a mine  or  any  part  of  a mine,  to  extinguish  it  before  departing  from 
the  mine,  unless  the  candle  or  other  portable  light  is  taken  to  the  outer  air. 

Rule  1026.  Cages 

(a)  No  person  shall  ride  upon  any  cage,  skip  or  bucket  that  is  loaded  with 
tools,  timber,  powder,  or  other  material,  except  for  the  purpose  of  assisting 
in  passing  such  material  through  a shaft  or  incline,  and  then  only  after  a 
special  signal  has  been  given. 

(b)  When  tools,  timber,  or  other  materials  are  to  be  lowered  or  hoisted 
in  a shaft,  their  ends,  if  projecting  above  the  top  of  the  bucket,  skip  or  other 
vehicle,  shall  be  securely  fastened  to  the  hoisting  rope  or  to  the  upper  part 
of  the  vehicle,,  and  all  tools,  timbers,  or  other  materials  loaded  upon  a cage, 
shall  be  securely  lashed  before  being  lowered  or  hoisted;  provided,  however, 
that  such  tools  or  other  materials  may  be  placed  without  lashing  in  a closed 
box  or  in  a mine  car  when  lowered  in  a cage,  or  in  a skip,  or  in  a special 
tool  bucket,  when  no  tool  projects  above  the  edge  thereof. 

Rule  1027.  Hoisting  While  Sinking  Shaft 

In  no  case  shall  a cage,  skip  or  bucket  or  other  vehicle  be  lowered  directly 
to  the  bottom  of  the  shaft,  when  men  are  working  there,  but  such  cage, 
skip,  or  bucket  or  other  vehicle  shall  be  stopped  at  least  fifteen  (15)  feet 
above  the  bottom  of  such  shaft  until  the  signal  to  lower  farther  shall  have 
been  given  to  the  hoisting  engineer  by  one  of  the  men  at  the  bottom  of  the 
shaft. 


18 


Rule  1028.  Deepening  Shaft  — Protection 

During  shaft-sinking  operations,  no  other  work  in  any  other  place  in  the 
shaft  shall  be  executed,  nor  shall  any  material  or  tools  be  hoisted  or  lowered 
from  or  to  any  other  place  in  the  shaft  while  men  are  at  work  in  the  bottom 
of  the  shaft,  unless  the  men  so  at  work  be  protected  from  the  danger  of  falling 
material  by  a securely  constructed  covering  extending  over  the  whole  area  of 
the  shaft,  sufficient  closable  openings  being  left  in  the  covering  for  the  pas- 
sage of  men  and  the  bucket  or  other  conveyance  used  in  the  sinking  opera- 
tions, or  by  a substantial  rock  pentice. 

Rule  1029.  Whims 

Whims  in  use  at  or  in  mines  shall  be  provided  with  a suitable  latch  or 
locking  device  which  shall  prevent  running  back  of  the  bucket  or  other  con- 
veyance. 

Rule  1030.  Crossheads 

All  vertical  shafts  more  than  one  hundred  (100)  feet  deep  from  which 
hoisting  is  done  by  means  of  a bucket,  shall  be  provided  with  suitable  guides, 
and  in  connection  with  the  bucket,  there  shall  be  a crosshead  traveling  upon 
these  guides.  The  height  of  the  crosshead  shall  be  equal  to  that  of  its  width. 

Rule  1031.  Telephone  System 

In  all  mines  in  active  operation,  a telephone  system  must  be  established, 
equipped  and  maintained  with  stations  readily  and  quickly  accessible  to  the 
men  on  each  working  level,  communicating  with  a statiop.  thereof  on  the 
surface  of  any  such  mine. 

Rule  1032.  Signals 

(a)  Every  mine  shall  be  provided  with  an  efficient  means  of  interchanging 
distinct  and  definite  signals  between  the  top  of  the  shaft  and  the  lowest  level 
and  the  various  intermediate  levels  from  which  hoisting  is  being  done.  There 
shall  be  provided  and  maintained  two  ('2 ) separate  systems  of  signaling, 
which  shall  be  either  electrical,  pneumatic,  or  mechanical,  or  one  such  system 
supplemented  by  speaking  tube  or  telephone. 

(b)  No  person  shall  ride  upon  any  bucket,  cage,  skip  or  other  conveyance, 
unless  proper  signals  have  been  given  as  prescribed  in  Rule  103<3.  No  person 
shall  knowingly  interfere  with  or  impede  a signal,  or  damage  a signal  system, 
or  give  or  cause  to  be  given  a wrong  signal. 

(c)  The  signal  to  move  the  cage,  skip  or  bucket  shall  be  given  only  when 
the  same  is  at  the  level  from  which  the  signal  is  to  be  given. 

Rule  1033.  Signal  Codes 

(a)  Three  (3)  months  after  the  adoption  of  these  rules,  the  following 
system  or  code  of  mine  signal  shall  be  used: 

1 bell. — Stop  if  in  motion,  or  hoist  if  not  in  motion. 

2 bells. — Lower. 

3 bells. — Men  on,  run  very  carefully. 

(b)  Additional  signals  to  meet  local  conditions  may  be  used,  provided  they 
are  easily  distinguishable  and  do  not  conflict  with  the  above  code. 


19 


(c)  Flashlight  signals,  consisting  of  nine  (9)  flashes  on  the  mine  lighting 
circuit,  indicating  fire  or  flood  or  other  danger,  shall  be  established  in  all 
mines  equipped  with  an  electric  lighting  system. 

(d)  An  easily  legible  copy  of  the  above  code,  and  of  any  special  code 
adopted  in  any  mine,  shall  be  printed  in  letters  at  least  one-half  ( Y2 ) inch 
high,  on  a board  or  metal  plate  not  less  than  eighteen  by  eighteen  (18x18) 
inches,  and  shall  be  securely  posted  in  the  engine  room,  at  the  collar  of  the 
shaft  and  at  each  level  or  station.  The  superintendent  of  the  mine  shall  be 
responsible  for  the  carrying  out  of  this  rule. 

Rule  1034.  Cleaning  of  Manways 

The  timbers  in  all  vertical  and  inclined  ladderways  and  manways  in  daily 
use  shall  be  cleaned  of  all  loose  rock  lodged  upon  them  at  least  once  in  every 
twenty-four  (24)  hours.  Manways  in  daily  use  shall  be  kept  clear  of 
obstructions. 

Rule  1035.  Fire  Protection 

In  all  heavily  timbered  stopes,  it  shall  be  the  duty  of  the  mine  foremen 
to  cause  fire  inspection  to  be  made  after  each  shift  shall  have  left  such  stope. 
A fire  map  shall  be  maintained  at  the  mine  office,  showing  all  air  and  water 
lines  in  the  mine,  and  their  dimensions,  with  the  positions  of  all  sumps,  valves, 
hydrants  and  pumps,  and  such  map  shall  be  brought  up  to  date  at  least  every 
six  (6)  months. 

Rule  1036.  Timbering 

For  the  purposes  of  this  and  the  succeeding  rules,  the  term  “ timbers  ” shall' 
be  held  to  include  and  mean  all  wood  to  be  used  by  the  miner,  or  all  steel  or 
concrete  material  used  in  lieu  of  timber. 

( a ) Every  shaft,  incline,  slope,  adit,  tunnel,  level  or  drift,  and  any  working 
place  in  the  mine  shall  be;  when  necessary,  kept  securely  timbered  or  protected 
to  prevent  injury  to  any  person  from  falling  material.  It  shall  be  the  duty 
of  the  operator  to  carry  out  and  enforce  the  provisions  of  this  rule,  but 
iiothing  contained  herein  shall  be  construed  to  relieve  the  miner  from  the 
duty  of  caring  for  his  own  working  place,  save  as  hereinafter  provided. 

(b)  It  shall  be  the  duty  of  the  operator  to  see  that  all  miners  in  the  mine 
are  supplied  at  all  times  with  such  timbers  as  are  necessary  to  keep  their 
working  places  in  a safe  condition,  such  timbers  to  be  supplied  at  a point 
readily  accessible  and  convenient  to  the  working  place. 

(c)  If  for  any  cause,  necessary  timbers  cannot  be  supplied  to  any  miner 
when  required,  it  shall  be  the  duty  of  the  mine  foreman  to  instruct  the 
miner  or  miners  to  vacate  all  such  working  places  until  supplied  with  the 
timbers  needed,  but  nothing  contained  herein  shall  be  construed  to  relieve  the 
operator  of  the  duty  of  supplying  such  timbers. 

Rule  1037.  Fencing  Disused  Workings 

All  abandoned  shafts,  shafts  temporarily  out  of  use,  or  shafts  used  only  as 
airways,  shall  be  securely  covered  or  fenced,  and  shall  be  so  maintained. 
All  mill  holes,  glory  holes  and  cavernous  stopes  opening  to  the  surface  shall 
be  securely  fenced,  and  shall  be  so  maintained.  All  other  abandoned'  excava- 
tions whereof  the  sides  slope  more  than  thirty  (30)  degrees  from  the  hori- 


20 


zontal,  and  whereof  the  depth  is  more  than  ten  (10)  feet,  shall  he  securely 
fenced,  but  such  fencing  need  be  erected  only  at  those  places  where  such 
slope  is  in  excess  of  thirty  (30)  degrees,  and  all  such  fencing  shall  be  main- 
tained in  good  condition. 


Rule  1038.  Lighting 

(a)  Stationary  lights  shall  be  provided  during  the  working  hours  at  all 
shaft  stations  during  the  time  the  same  are  in  actual  use,  and  also  at  all 
stations  on  the  levels  where  hoisting  or  hauling  is  effected  by  means  of 
machinery,  and  also  at  night  at  all  places  on  the  surface  where  work  is 
being  conducted. 

(b)  All  places  where  hoisting,  pumping  or  other  machinery  is  erected  and 
in  the  proximity  of  which  persons  are  working  or  moving  about  shall  be 
so  lighted  when  the  machine  is  in  operation  that  the  moving  parts  of  such 
machine  can  be  clearly  distinguished. 

Rule  1039.  Places  of  Refuge 

(a)  Where  mechanical  haulage  is  employed,  there  shall  be  maintained  at 
all  times  a clearance  space  of  not  less  than  two  and  one-half  (2%)  feet  on 
one  side  of  tramway.  Where  such  space  cannot  be  maintained,  refuge  places 
shall  be  provided  at  not  more  than  sixty  (60)  foot  intervals,  which  shall 
afford  a clearance  space  not  less  than  four  (4)  feet  wide,  five  (5)  feet  high, 
and  eight  (8)  feet  long. 

(b)  Every  such  place  of  refuge  shall  be  conspicuously  marked  and  kept 
clear,  and  no  refuse  shall  be  placed  therein,  and  no  person  shall  in  any  way 
prevent  access  thereto. 

Rule  1040.  Protection  Against  Water 

(a)  When  advancing  toward  a mine  excavation  that  is  suspected  to  be 
filled  with  water,  the  working  place  shall  not  exceed  six  (6)  feet  by  eight 
(8)  feet  in  cross  section,  and  the  bore  holes  shall  be  kept  at  least  fifteen  (15) 
feet  in  advance  of  the  breast,  and  also,  if  necessary,  in  directions  laterally 
from  the  course  of  the  drive. 

(b)  In  every  mine  where  there  is  danger  from  a sudden  inbuTst  of  water, 
such  additional  raises,  drifts,  or  other  workings  shall  be  constructed  as  are 
necessary  to  insure  the  escape  of  workmen  from  the  lower  workings. 

Rule  1041.  Sumps 

All  sumps  shall  be  securely  covered  or  fenced,  except  when  being  cleaned  or 
repaired. 

Rule  1042.  Stopes 

In  stopes  timbered  with  square  sets,  the  working  floors  shall  be  closely  and 
securely  lagged  over.  Openings  in  the  floors  shall  be  protected  by  railings. 

Rule  1043.  Winzes  or  Raises 

Winzes  opening  directly  from  the  floor  of  a drift  or  stope  shall  be  kept 
covered  by  a substantial  hatch,  or  shall  be  planked  over,  except  when  in 
use,  or  shall  be  barred  off  by  a substantial  railing  not  less  than  three  and 


21 


one-half  (31&)  feet  nor  more  than  four  (4)  feet  above  the  level  of  the  floor, 
or  shall  he  provided  with  a gangway  not  less  than  ten  (10)  inches  wide, 
which  gangway  shall  have  a substantial  hand-railing  not  less  than  three  and 
one-half  (3%)  feet  nor  more  than  four  (4)  feet  above  the  gangway,  and  the 
approaches  to  such  gangway  at  each  end  shall  be  protected  by  a substantial 
railing  not  less  than  three  and  one-half  (3%)  feet  nor  more  than  four  (4) 
feet  above  the  floor. 

Raises  for  shaft  extensions  and  for  stopes  steeper  than  fifty  (50)  degrees 
shall  be  done  by  two  (2)  compartments,  in  one  of  which  there  shall  be  a 
protected  ladderway. 

Rule  1044.  Protection  to  Drifts 

Drifts  used  as  manways  intersecting  overhead  workings  through  which 
material  is  dropped,  shall  be  closed  to  the  passage,  of  persons  by  a substan- 
tial rail  not  less  than  three  and  one-half  (3%)  feet  nor  more  than  four  (4) 
feet  in  height  above  the  level  of  the  drift,  on  each  side  of  the  working, 
whenever  material  is  to  be  dropped  through  such  working,  and  the  drift 
shall  be  kept  so  closed  during  periods  when  the  working  is  so  in  use. 

Rule  1045.  Shaft  Protection 

(a)  At  all  shaft  stations  a gate  or  a guard  rail  not  less  than  three  and 
one-half  (3%)  feet  nor  more  than  four  (4)  feet  above  the  floor  shall  be 
provided  and  kept  in  place  across  the  shaft,  except  when  the  cage,  skip, 
bucket,  or  other  conveyance  is  being  loaded  or  unloaded  thereat,  but  this  pro- 
hibition shall  not  forbid  the  temporary  removal  of  the  gate  or  rail  for  the 
purpose  of  repairs  or  ether  operations,  if  proper  precaution  to  prevent  danger 
to  persons  be  taken. 

(b)  The  top  of  all  shafts  shall  be  protected  by  a tight  fence,  which  may  be 
provided  with  the  necessary  gates  to  give  access  to  the  shaft,  but  such 
gates  shall  be  kept  closed  when  access  to  the  shaft  is  not  necessary. 

(c)  If  hoisting  be  done  from  greater  depth  than  twenty-five  (25)  feet  by 
means  of  a bucket,  shaft  doors  shall  be  installed  that  will  prevent  any 
material  from  falling  into  the  shaft  while  the  bucket  is  being  dumped,  and 
such  doors  shall  be  closed  while  the  bucket  is  being  dumped. 

(d)  All  stations  or  levels  shall  have  such  a passageway  through  or  around 
the  working  shaft  that  crossing  through  the  hoisting  compartment  may  be 
.avoided;  entering  or  crossing  the  hoisting  compartment  of  a shaft,  except 
to  ascend  or  descend,  or  for  the  purpose  of  effecting  repairs  is  prohibited; 
before  repairs  are  commenced  the  person  in  charge  of  or  directing  the  repairs 
shall  inform  the  hoisting  engineer  of  the  nature  thereof. 

Rule  1046.  Safety  Catches 

The  safety  catches  of  cages  shall  be  kept  well  oiled  and  in  good  working 
order,  and  shall  be  tested  at  least  once  a month.  Such  test  shall  consist  of 
releasing  the  cage  suddenly  in  some  suitable  manner  so  that  the  safety  catches 
shall  have  opportunity  to  grip  the  guides. 

Rule  1047  Mechanical  Haulage 

When  mechanical  haulage  is  used  and  through  passageways  and  approaches 
to  working  places,  no  greater  speed  shall  be  made  than  the  Industrial  Com- 


22 


mission  will  permit.  No  cars  shall  be  pushed  ahead  of  the  locomotive  under- 
ground where  it  is  practicable  to  draw.  Head  lights  shall  be  placed  on  the 
front  of  first  car  or  locomotive  of  a moving  train.  All  trolleys  shall  be 
trailed.  No  locomotive  shall  be  driven  by  a person  under  twenty-one  (21) 
years  of  age.  No  gas  locomotive  shall  be  used  in  any  mine  without  the 
written  consent  of  the  Industrial  Commission. 


ELECTRICAL  EQUIPMENT 
Rule  1048.  Definitions 

(a)  Potential  and  Voltage.  The  terms  “potential”  and  “voltage”  are 
synonymous  and  mean  electrical  pressure. 

(b)  Difference  of  Potential.  The  expression  “difference  of  potential” 
means  the  difference  of  electrical  pressure  existing  between  any  two  points  of 
an  electrical  system  or  between  any  point  of  such  a system  and  the  earth 
as  determined  by  a voltmeter. 

(c)  Potential  of  a Circuit.  The  potential  or  voltage  of  a circuit,  machine 
or  any  piece  of  electrical  apparatus  is  the  potential  normally  existing  between 
the  conductors  of  such  circuit  or  the  terminals  of  such  machine  or  apparatus. 

(d)  Where  the  conditions  of  the  supply  of  electricity  are  such  that  the 
difference  of  potential  between  any  two  points  of  the  circuit  cannot  exceed 
three  hundred  (300)  volts,  the  supply  shall  be  deemed  a low-voltage  supply. 

(e)  Where  the  conditions  of  the  supply  of  electricity  are  such  that  the 
difference  of  potential  between  any  two  points  of  the  circuit  may  at  any 
time  exceed  three  hundred  (300)  volts,  but  cannot  exceed  six  hundred  fifty 
(650)  volts,  the  supply  shall  be  deemed  a medium-voltage  supply. 

(f)  Where  the  conditions  of  the  supply  of  electricity  are  such  that  the 
difference  of  potential  between  any  two  points  of  the  circuit  may  at  any  time 
exceed  six  hundred  fifty  (650)  volts,  the  supply  shall  be  deemed  a high- 
voltage  supply. 

(g)  Grounding.  Grounding  any  part  of  an  electrical  system  shall  consist 
in  so  connecting  such  part  to  the  earth  that  there  shall  be  no  material  differ-1 
ence  of  potential  between  such  part  and  the  earth. 

(h)  Underground  Station.  The  term  “underground  station,”  as  used 
herein,  shall  mean  any  place  where  electrical  machinery  is  permanently 
installed  in  the  mine. 

(i)  The  term  “carrying  capacity”  shall  be  taken  to  mean  carrying  capac- 
ity of  a given  wire  as  prescribed  for  various  insulated  wires  in  the  National 
Electrical  Code,  published  by  the  National  Board  of  Fire  Underwriters,  and 
the  United  States  Bureau  of  Mines’  standard  for  bare  wires. 

Rule  1049.  Care  of  Equipment  and  Practices 

(a)  No  person  shall,  without  authority,  install  or  handle  electric  wires, 
lights,  conductors,  or  electrical  apparatus  of  any  kind,  or  enter  an  electrical 
machine  room  or  underground  station. 

(b)  No  person  shall  be  allowed  to  work  on  or  with  electrically-driven 
apparatus,  unless  he  shall  have  been  previously  instructed  in  the  performance 
of  his  duties  by  a competent  person,  and  shall  have  been  duly  authorized  by 
the  mine  superintendent  or  mine  foreman. 


23 


(c)  Instruction  for  the  disengaging  of  persons  from  contact  with  live 
wires  and  the  resuscitation  of  persons  suffering  from  electric  shock  shall  be 
posted  at  the  entrance  to  the  mine,  in  every  generating  station  and  substation, 
and  in  all  underground  electric  stations.  All  employees  working  with  elec- 
trical apparatus  shall  be  required  by  the  mine  superintendent  to  familiarize 
themselves  with  these  instructions,  and  shall  be  capable  of  applying  them 
before  entering  upon  such  work. 

Rule  1050.  Grounding 

The  frames  and  bed  plates  of  generators,  transformers,  compensators, 
rheostats,  and  motors  installed  underground,  shall  be  effectively  grounded. 
All  metallic  coverings,  armoring  of  cables,  other  than  trailing  cables,  and 
the  neutral  wire  of  three-wire  systems  shall  also  be  so  grounded. 

Rule  1051.  Voltage 

In  electrical  systems  hereafter  installed,  no  higher  voltage  than  low 
voltage  shall  be  used  underground,  except  for  transmission  or  for  application 
to  transformers,  motors,  generators,  or  other  apparatus  in  which  the  whold 
of  the  medium  or  high  voltage  apparatus  is  stationary. 

Rule  1052.  Switchboards 

Switchboards  shall  consist  of  a substantial  framework  of  iron  pipes,  angle 
irons,  or  bar  iron,  on  which  shall  be  mounted  a panel  or  panels  of  incom- 
bustible, non-absorbent  insulating  material  that  is  mechanically  strong  and 
has  insulating  qualities  suitable  for  the  voltage  at  which  it  is  used. 

The  panels  of  insulating  material  may  be  omitted  if  each  piece  of  equip- 
ment carried  on  the  switchboard  is  provided  with  an  individual  base  of 
insulating  material  of  the  character  specified  for  the  panels  and  of  adequate 
dimensions,  or  has  its  current-carrying  parts  mounted  on  similar  insulation 
self-contained  in  the  equipment,  which  shall  be  especially  designed  for  mount- 
ing on  iron  pipe,  angle-iron,  or  bar-iron  frameworks. 

Rule  1053.  Danger  Signals 

All  medium  and  high-voltage  machines  and  apparatus  shall  be  con- 
spicuously marked  by  the  use  of  the  word  “danger,”  and  shall  be  properly 
illuminated  when  in  circuit. 

Rule  1054.  Fire  Buckets 

Buckets  filled  with  clean,  dry  sand  shall  be  kept  in  all  underground  elec- 
trical stations  ready  for  immediate  use  in  extinguishing  fires.  The  minimum 
quantity  of  sand  thus  stored  in  any  one  station  shall  be  two  (2)  cubic  feet; 
provided  that  a fire  extinguisher  of  character  approved  for  the  purpose  may 
be  kept  instead  of  the  sand. 

Rule  1055.  Emergency  Lights 

Lamps  or  other  proper  lights  shall  be  kept  ready  for  use  in  all  underground 
stations  where  a failure  of  electric  light  is  likely  to  cause  danger. 


24 


Rule  1056.  Plan  of  Electric  Systems 

The  operator  of  every  mine  where  electrical  equipment  is  installed  under- 
ground shall  make  or  cause  to  be  made  by  a competent  person,  a clear  and 
accurate  plan  or  sketch  with  distances  marked,  showing  the  position  of  all 
stationary  electrical  apparatus  in  connection  with  the  mine,  in  excess  of 
twenty-five  (25)  kilowatts’  capacity,  including  fixed  cables,  conductors,  lights, 
switches  and  trolley  lines.  The  capacity  in  horsepower  of  each  motor  and  in- 
kilowatts of  each  generator  or  transformer,  and1  the  nature  of  its  use,  shall 
be  shown  on  such  plan  or  sketch.  This  plan  or  sketch  shall  be  kept  at  the 
mine  and  shall  he  corrected  and  be  brought  up  to  date  at  intervals  not 
exceeding  six  (6)  months,  and  shall  at  all  times  be  subject  to  examination 
by  the  Industrial  Commission. 

Rule  1057.  Underground  Stations  and  Transformer  Rooms 

(a)  Switchboards.  All  switches,  circuit  breakers,  rheostats,  fuses  and 
measuring  instruments  used  in  connection  with  underground  motor  generators, 
rotary  converters,  transformers  and  motors  shall  be  mounted  on  standard 
bases  of  non-combustible  and.  insulating  material,  but  in  no  case  shall 
primary  instruments  be  used  on  circuits  of  more  than  three  hundred  (300) 
volts.  This  provision  shall  not  apply  to  compensators  for  induction  motors. 
The  above  mentioned  switches,  circuit  breakers,  rheostats,  fuses,  and  instru- 
ments may  be  mounted  on  a common  base,  provided  such  base  is  of  non- 
combustible, insulating  material. 

(b)  Passageways.  A passageway  not  less  than  three  (3)  feet  in  width 
shall  be  maintained  in  front  of  all  switchboards.  No  one  shall  be  permitted 
back  of  the  switchboards  while  the  current  is  on. 

(c)  Space  back  of  Switchboards.  Any  space  over  thirty  (30)  inches  wide 
at  the  back  of  switchboards,  shall  be  accessible  from  each  end,  and  shall  be 
kept  locked  up  in  case  of  medium  and  high-voltage  boards,  but  no  lock  shall 
be  used  that  will  not  permit  the  door  being  opened  from  the  inside  without 
the  use  of  a key.  In  no  case  shall  this  space  be  used  as  a change  room,  ward- 
robe or  for  the  storage  of  material.  Non-combustible  flooring  only  shall  be 
used  at  the  front  and  back  of  high-voltage  boards,  and  insulating  mats  or 
their  equivalent  shall  be  provided  in  front  and  back  of  all  boards,  whatever  the 
voltage. 

(d)  Conductors  Crossing  Passageway.  No  electric  conductor  shall  cross  a 
passageway  at  the  back  of  a switchboard  except  below  the  floor,  or  at  a height 
of  not  less  than  seven  (.7)  feet  above  the  level  of  the  floor. 

(e)  Live  Metal  Work  on  Switchboards.  No  live  metal  work  shall  be  placed 
on  the  front  of  high-voltage  switchboard  within  seven  (7)  feet  of  the  floor. 

(f)  Protection  of  Terminals.  All  exposed  terminals  on  under-ground 
machines  shall  be  protected!  with  properly  designed  insulating  covers  of  suit- 
able material,  or  with  metal  covers  connected  to  earth. 

(g)  Transformer  Rooms.  Transformer  rooms  shall  be  properly  lighted, 
shall  be  of  fireproof  construction,  and  if  of  conductive  material  shall  be 
effectively  grounded. 

(h)  Circuits  Entering  or  Leaving  all  Transformers.  Circuits  leaving  the 
transformer  shall  be  protected  by  a switch  and  an  automatic  circuit  breaker 
to  interrupt  current,  but  fuses  may  be  substituted  for  the  circuit  breakers  in 


25 


the  case  of  lighting  circuits,  and  in  the  case  of  power  circuits  transmittng 
twenty-five  (25)  kilowatts  or  less.  Primary  fuses  and  disconnecting  switches 
shall  be  placed  in  the  primary  circuit  ahead  of  the  transformers,  but  in  no 
case  shall  these  disconnecting  switches  be  opened  or  closed  under  load. 

Rule  1058.  High-Voltage  Wires 

All  high-voltage  wires  installed  underground  after  these  rules  are  adopted, 
shall  be  in  the  form  of  insulated  lead-covered  cables,  which  shall  be  armored 
or  effectively  protected  against  abrasion,  but  the  armor  shall  be  electrically 
continuous  throughout  and  shall  be  effectively  grounded.  The  installation  of 
efficiently  insulated  wires  in  metal  conduit  to  transmit  power  underground, 
shall  be  considered  to  meet  this  requirement. 

Rule  1059.  Support  of  Cables  and  Wires 

(a)  All  underground  cables  and  wires,  unless  provided  with  grounded 
metallic  covering,  shall  be  supported  by  efficient  insulators.  The  conductors 
connecting  lamps  to  the  power  supply  shall  in  all  cases  be  insulated. 

(b)  Cables  and  wires  unprovided  with  metallic  coverings  shall  not  be  fixed 
to  walls  or  timbers  by  means  of  uninsulated  fastenings. 

Rule  1060.  Overhead  Lines  Above  Ground 

Overhead  transmission  lines  between  the  generating  station  or  substation 
and  the  mine  entrance,  shall  be  supported  upon  insulators,  which  shall  be 
adequate  in  quality,  size  and  design  for  the  voltage  transmitted.  Where  such 
line  is  more  than  five  hundred  (500)  feet  in  length,  lightning  arresters  shall 
be  installed  in  connection  therewith  at  the  entrance  to  the  mine.  Such  line 
except  in  the  case  of  trolley  wires,  shall  be  maintained  not  less  than  ten  (10) 
feet  above  the  ground  at  the  lowest  point,  except  at  the  point  of  entrance  to 
the  mine. 


Rule  1061.  Buried  Cables 

Buried  cables  shall  be  continuously  insulated,  and  protected  by  a metallic 
sheath,  preferably  lead ; and  where  they  are  so  located  that  there  is  a 
possibility  of  danger  to  the  sheath  by  puncturing,  such  cables  shall  be  further 
protected  by  armor. 

Rule  1062.  Protection  of  Circuits  Leading  Underground 

(a)  Every  completely  insulated  feeder  circuit  in  exeess  of  twenty-four  (24) 
kilowatt  capacity,  leading  underground,  where  the  potential  does  not  exceed 
the  limits  of  a medium-voltage  potential,  shall  be  provided  above  ground' 
with  a switch  and  an  automatic  overload  circuit  breaker.  In  the  case  of 
ground-return  direct  current  circuits,  a switch  and  current  breaker  shall  be 
installed  in  the  ungrounded  side  of  the  circuit,  but  may  be  omitted  from  the 
return  side.  Fuses  may  be  substituted  for  circuit  breakers  in  circuits  trans- 
mitting twenty-five  (25)  kilowatts  or  less. 

(b)  Every  high-voltage  alternating-current  feeder  circuit  leading  under- 
ground shall  be  provided  above  ground  with  an  oil  break  switch  on  each  phase, 
and  every  such  switch  shall  be  equipped  with  an  automatic  overload  trip. 


26 


Rule  1063.  Branch  Circuits 

Every  branch  circuit  shall  be  provided  with  a switch  of  ample  carrying 
capacity,  on  each  phase,  within  fifty  (50)  feet  of  the  point  where  it  leaves 
the  main  circuit. 


Rule  1064.  Lighting  Circuits 

Wires  for  all  lighting  circuits  shall  be  covered  with  an  insulation  adequate 
for  the  voltage  of  the  circuit,  and,  unless  encased  in  pipes  or  other  metallic 
covering,  shall  be  strung  on  porcelain  or  glass  insulators.  Separate  uncased 
wires  shall  be  kept  at  least  three  (3)  inches  apart,  except  where  they  enter 
the  fittings.  Metallic  casings,  if  used,  shall  be  efficiently  grounded. 

Rule  1065.  Underground  trolley 

Trolley  wires  shall  be  securely  supported  upon  hangers  efficiently  insulated, 
and  placed!  at  such  intervals  that  the  sags  between  points  of  support  shall 
not  exceed  three  (3)  inches. 

Rule  1066.  Protection  of  Trolley  Wires 

(e)  At  all  places  where  men  are  required  to  work  or  pass  regularly  under 
trolley  or  other  bare  power  wires  which  are  placed  less  than  six  and  one-half 
(6%)  feet  above  top  of  rail,  a suitable  protection  shall  be  provided,  which 
may  consist  of  channeling  the  roof  or  of  placing  boards  along  the  wire,  which 
shall  extend  three  (3)  inches  below  it,  or  in  the  use  of  any  other  device 
that  will  afford  ample  protection.  In  new  installations  the  trolley  wires  shall 
be  protected  as  provided  for  above  unless  the  wire  is  at  least  seven  (7)  feet 
above  top  of  rail.  At  all  points  where  timbers  or  tools  have  to  be  unloaded 
or  transferred  up  a raise,  the  trolley  wires  shall  be  boxed  or  otherwise  pro- 
tected as  provided  for  in  this  paragraph.  All  places  where  it  is  required 
that  the  trolley  wires  shall  be  boxed,  shall  be  well-lighted  with  electric  lamps. 

(b)All  wires,  except  telephone,  shot-firing  and  signal  wires,  shall  be  boxed 
or  otherwise  guarded,  where  timbers  or  tools  have  to  be  transported. 

Rule  1067.  Power  Wires  and  Cables  in  Shafts 

In  all  shafts,  the  angle  of  inclination  of  which  is  above  forty-five  (45) 
degrees  from  the  horizontal,  and  in  all  hoisting  shafts  or  manway  compart- 
ments all  power  wires  and  cables  shall  be  amply  protected  by  insulation  and 
substantially  fixed  in  position.  All  shaft  cables  shall  be  supported  on  insu- 
lators that  cannot  cause  abrasion  of  the  covering  or  insulation,  so  spaced 
that  no  part  of  the  cable  shall  be  under  a tension  greater  than  one-fourth 
(*4)  of  its  ultimate  strength.  The  cable  shall  be  held  in  position  at  points 
between  the  insulators  by  grips  or  cleats  that  cannot  cause  abrasion  of  the 
covering  or  insulation.  Where  the  cables  are  not  completely  boxed  in 
and  protected  from  falling  material,  space  shall  be  left  between  them  and 
the  side  of  the  shaft  so  that  they  may  yield  and  lessen  a blow  from  falling 
material.  This  rule  shall  not  be  construed  to  prevent  the  installation  of 
efficiently  insulated  wires  in  metal  conduit,  to  transmit  power  underground. 


27 


Rule  1069.  Protection  of  Cables  During  Blasting 

Where  the  cables  or  feed  wires  in  main  roads  cannot  be  kept  at  least  twelve 
(12)  inches  from  any  part  of  the  mine  car  or  locomotive,  they  shall  be  espe- 
cially protected  by  proper  guards. 

Rule  1069  Protection  of  Cables  During  Blasting 

Cables  shall  be  temporarily  protected  against  damage  at  any  point  where 
workings  are  being  repaired  or  where  blasting  is  being  carried  on. 

Rule  1070.  Cables  Entering  Fittings 

( a ) The  exposed  ends  of  cables  where  they  enter  fittings  of  any  description 
shall  be  so  protected  and  finished  off,  that  moisture  cannot  enter  the  cable,  or 
the  insulating  material  leak  out,  if  of  an  oily  or  viscious  nature. 

(b)  Where  unarmored  cables  or  wires  pass  through  metal  frames  or  into 
boxes  or  motor  casings,  the  holes  shall  be  substantially  lined  with  insulated 
bushings. 

Rule  1071.  Joints  in  Conductors 

All  joints  in  conductors  shall  be  mechanically  and  electrically  efficient,  and 
shall  be  soldered  wherever  necessary.  All  joints  in  insulated  wire  shall,  after 
the  joint  is  complete,  be  reinsulated  to  the  same  extent  as  the  remainder  of 
the  wire. 

Rule  1072.  Joints  in  Cables 

Where  cables  are  joined,  suitable  junction  boxes  shall  be  used,  or  the 
joints  shall  be  soldered,  and  the  insulation,  armoring,  or  lead  covering, 
replaced  in  as  good  condition  as  it  was  originally. 

Rule  1073.  Fuses,  Circuit  Breakers  and  Switches 

(a)  Fuses  and  automatic  circuit  breakers  shall  be  constructed  so  as 
effectually  to  interrupt  the  current  when  a short  circuit  occurs  or  when  the 
current  through  them  exceeds  a pre-determined  value.  No  open  type  or 
link  fuses  shall  be  used. 

(b)  All  points  at  which  a circuit  has  to  be  made  or  broken  shall  be 
provided  with  proper  switches,  which  shall  be  so  installed  that  they  cannot 
be  closed  by  gravity. 

(c)  Fuses  shall  be  stamped  or  marked,  or  shall  have  a label  attached, 
indicating  the  maximum  current  that  they  are  intended  to  carry.  Fuses 
shall  be  adjusted  or  replaced  only  by  an  authorized  and  competent  person. 

(d)  The  capacity  of  fuses  used  to  protect  feeders  shall  not  exceed  the 
current  capacity  of  the  feeder  by  more  than  twenty-five  (25)  per  cent. 

(e)  All  switches,  circuit  breakers,  and  fuses  shall  have  non-combustible 
bases. 

Rule  1074.  Stationary  Motors 

Every  stationary  motor  and  every  portable  motor  underground,  together 
with  its  starting  device,  shall  be  protected  by  a fuse  on  each  phase,  or  (in 
the  case  of  motors  of  more  than  forty  (40)  horsepower)  by  a circuit  breaking 
device  on  at  least  one  phase  of  direct  current  motors  and  on  each  phase  of 
alternating  current  motors,  and  by  switches  arranged  to  cut  off  entirely  the 


28 


power  from  the  motor.  The  above  devices  shall  be  installed  in  a convenient 
position  near  the  motor  and  in  sight  of  it. 

Rule  1075.  Electric  Lighting 

(a)  Lamp  Sockets.  The  exterior  of  the  sockets  of  all  fixed  incandescent 
lamps,  installed  after  these  rules  go  into  effect,  shall  be  entirely  non-metallic. 

(b)  Flexible  Lamp  Cord.  The  use  of  flexible  lamp  cord  for  lighting  con- 
nections is  prohibited,  except  for  portable  incandescent  lights  to  be  used  in 
connection  with  the  inspection  and  repair  of  machinery  and  equipment,  and  in 
that  case  the  .cord  shall  have  extra  heavy  insulation.  Such  portable  lights 
shall  be  protected  by  a wire  cage  large  enough  to  inclose  both  lamp  and  socket, 
and  shall  be  provided  with  a handle  to  which  the  light  and  socket  shall  be 
firmly  attached  and  through  which  the  leading-in  wires  shall  be  carried. 

(c)  Incandescent  Lamps.  Incandescent  lamps  shall  be  so  placed  that  they 
cannot  come  into  contact  with  combustible  material;  and  shall  be  so  placed 
that  an  adequate  circulation  of  air  may  take  place  on  all  sides  of  them. 

Rule  1076.  Duties  of  Employees 

Every  employee  shall  be  responsible  for  carrying  out  all  rules  which 
immediately  concern  or  affect  his  conduct. 

Penalties 

Section  1275  of  the  Penal  Law: 

Any  person  who  violates  or  does  not  comply  with  any  provision  of  the 
Labor  Law,  any  provision  of  the  Industrial  Code,  any  rules  or  regulation  of 
the  Industrial  Board  of  the  Department  of  Labor  or  any  lawful  order  of  the 
Commissioner  of  Labor  * * * is  guilty  of  a misdemeanor  and  upon 

conviction  shall  be  punished,  except  as  in  this  chapter  otherwise  provided,  for 
a first  offense  by  a fine  of  not  less  than  twenty  nor  more  than  fifty  dollars; 
for  a second  offense  by  a fine  of  not  less  than  fifty  nor  more  than  two  hun- 
dred and  fifty  dollars,  or  by  imprisonment  for  not  more  than  thirty  days  or 
by  both  such  fine  and  imprisonment;  for  a third  offense  by  a fine  of  not  less 
than  two  hundred  and  fifty  dollars,  or  by  imprisonment  for  not  more  than 
sixty  days,  or  by  both  such  fine  and  imprisonment. 


RULES  AND  REGULATIONS  RELATING  TO  QUARRIES 


Law,  § 119.  Protection  of  employees  in  mines,  tunnels  and  quarries. — 
Every  necessary  precaution  shall  he  taken  to  insure  the  safety  and  health 
of  employees  employed  in  the  mines  and  quarries  and  i/n  the  construction 
of  tunnels  in  the  state.  The  industrial  hoard  shall  have  the  power  to, 
adopt  rules  and  regulations  to  carry  into  effect  the  provisions  of  this 
article  and  may  amend  or  repeal  rules  and  regulations  heretofore  pre-' 
scribed  hy  the  commissioner  of  labor  under  the  provisions  of  this  article. 
The  rules  and  regulations  heretofore  prescribed  by  the  commissioner  of 
labor  under  this  article  shall  continue  in  force  until  amended  or  repealed 
by  the  industrial  board. 

Rule  i ioo.  Definitions  of  Terms 

(a)  Application.  These  rules  shall  apply  to  all  quarries  in  the  State  of 
New  York  producing  minerals  within  the  meaning  of  that  term,  as  hereinafter 
defined. 

(b)  Singular  and  plural  numbers.  For  the  purpose  of  these  rules,  the 
singular  number  when  used  in  reference  to  persons,  acts,  objects,  and  things 
of  whatsoever  kind  and  description,  shall,  whenever  the  context  will  permit, 
be  taken  and  held  to  import  and  include  the  plural  number,  and  the  plural 
number  shall  similarly  be  taken  and  held  to  import  and  include  the  singular. 

(c)  The  term  “quarry”  shall  include  excavations,  prospect  openings',  pits, 
banks  and  open  cut  workings  employing  an  average  of  five  ( 5 ) or  more  men, 
and  shall  embrace  any  and  all  parts  of  the  property  of  such  quarry  and 
quarrying  plant  that  contribute  directly  or  indirectly  to  the  quarrying  of 
minerals.  Provided,  that  when  a group  of  workings  in  proximity  to  one 
another  and  under  one  management  are  administered  as  distinct  units,  each 
working  shall  be  considered  a separate  quarry. 

( d ) Mineral.  The  term  “ mineral  ” shall  mean  whatever  is  recognized  by 
the  standard  authorities  as  mineral,  whether  metalliferous  or  non-metallifer- 
ous,  but  shall  not  be  held  to  embrace  or  include  coal,  lignite,  gas,  oil,  or  any 
substances  when  extracted  in  solution  or  in  the  molten  state  through  bore 
holes. 

(e)  Operator.  The  term  “operator”  shall  mean  the  person,  firm  or  body 
corporate  in  immediate  possession  of  any  quarry  and  its  accessories  as  owner 
or  lessee  thereof,  and  as  such  responsible  for  the  condition  and  management 
thereof. 

(f)  Superintendent.  The  term  “superintendent”  shall  mean  the  person 
having  immediate  supervision  of  the  quarry. 

(g)  Quarry  Foreman.  The  term  “quarry  foreman”  shall  mean  a person 
who  at  any  time  is  charged  with  the  general  direction  of  the  quarry  work. 

(h)  Explosive.  The  term  “explosive”  or  “explosives”  shall  be  held  to 
mean  and  to  include  any  chemical  compound  or  any  mixture  that  contains 
any  oxidizing  and  combustible  units  or  other  ingredients  in  such  proportions, 
quantities  or  packing  that  an  ignition  by  fire,  by  friction,  by  concussion,  by 
percussion,  or  by  detonation  of  any  part  of  the  compound  or  mixture  may 

. [29] 


30 


cause  such  a sudiden  generation  of  highly  heated  gases  that  the  resultant 
gaseous  pressures  are  capable  of  producing  destructive  effects  on  contiguous 
objects  or  of  destroying  life  and  limb. 

(i)  Magazine.  The  term  “magazine,”  as  used  in  these  rules,  shall  be  held 
to  mean  and  include  any  building  or  other  structure  or  place  in  which  explo- 
sives are  stored  or  kept,  whether  above  or  below  ground. 

(j)  Person.  The  term  “person”  shall  be  held  to  mean  and  include  a firm 
or  body  corporate  as  well  as  natural  persons. 

(k)  Employees.  The  terms  “employees”  and  “men  employed”  shall  be 
held  to  mean  all  men  receiving  compensation  from  the  operator,  directly  or 
indirectly,  for  labor  or  services  performed  in  connection  with  the  quarries. 

(l)  Approved.  The  term  “approved”  shall  be  held  to  mean  approved  by 
the  Industrial  Commission. 

Rule  iioi.  General 

(a)  The  operator  and  superintendent  of  every  quarry  shall  use  every 
reasonable  precaution  to  insure  the  safety  of  the  workmen  in  the  quarry  in 
all  cases,  whether  provided  for  in  these  rules  or  not. 

(b)  All  defects  in  or  damage  or  injury  to  machinery  or  timbering  or  to 
apparatus  and  equipment  generally  in  and  about  a quarry,  all  unsafe  or  dan- 
gerous conditions  in  any  part  of  the  quarry,  and  all  accidents  occurring  in 
the  course  of  quarrying  operations,  other  than  those  of  a purely  minor  char- 
acter, even  though  not  resulting  in  personal  injury,  shall  be  promptly  reported 
to  the  quarry  foreman  or  superintendent  by  the  person  observing  the  same. 

(c)  Wages  shall  not  be  paid  on  any  premises  used  for  the  sale  of  intoxi- 
cating liquors. 

(d)  Each  workman  employed  in  the  quarry,  when  first  engaged,  shall  have 
his  attention  directed  to  the  general  and  special  rules  provided  for  in  these 
rules. 


Rule  1102.  Superintendent 

The  operator  of  every  quarry  shall  appoint  a man  who  shall  be  personally 
in  charge  of  the  quarry  and  the  performance  of  the  work  done  therein,  who 
shall  be  designated  as  the  “ superintendent ; ” provided,  however,  that  nothing 
herein  contained  shall  prevent  the  owner  or  operator  of  any  quarry  from  per- 
sonally filling  the  office  of  superintendent. 

The  superintendent  of  every  quarry  shall  inspect  or  cause  some  competent 
person  or  persons  appointed  by  him  to  inspect  all  quarrying  appliances, 
boilers,  engines,  magazines,  explosives,  bell  ropes,  speaking  tubes,  telephones, 
tracks,  ladders,  dry  closets,  and  all  parts  and  appliances  of  said  quarry  in 
actual  use,  and  any  such  person  or  persons  appointed  by  the  said  superintend- 
ent shall  at  once  report  any  defects  therein  to  the  superintendent.  It  shall 
be  the  duty  of  the  superintendent  upon  ascertaining  such  defects  to  take 
immediate  steps  to  remedy  the  same  so  as  to  make  the  same  comply  with  the 
provisions  of  these  rules,  and  he  shall  forthwith  notify  the  operator  of  said 
quarry  of  the  existence  of  such  defects.  It  shall  be  the  duty  of  the  superin- 
tendent to  appoint  a competent  man  to  have  full  charge,  under  the  direction 
of  said  superintendent,  of  every  magazine  containing  explosives  situated  on 
said  quarrying  property,  and  to  make  such  other  appointments  and  perform 
such  other  duties  as  are  provided  by  these  rules  to  be  performed  by  such 
superintendent. 


31 


Rule  1103.  Care  of  Injured 

It  shall  be  the  duty  of  operators,  superintendent,  or  anyone  in  charge  of 
any  quarry  to  keep  at  such  place  about  the  quarry  as  may  be  designated  by 
the  Industrial  Commission,  a stretcher,  a woolen  blanket  and1  a waterproof 
blanket  in  good  condition  for  use  in  carrying  any  person  who  may  be  injured 
at  the  quarry.  Where  more  than  one  hundred  (100)  persons  are  employed 
two  (2)  stretchers,  two  (2)  woolen  blankets  and  two  (2)  waterproof  blankets 
shall  be  kept.  At  all  quarries  an  adequate  supply  of  materials  shall  be  kept 
readily  accessible  for  the  treatment  of  anyone  injured  and  shall  include  the 
following  in  suitable  quantity:  First-aid  outfits  consisting  of  one  extra 
long  gauze  bandage  with  compress  sewed  in  its  center,  one  triangular  bandage 
with  methods  of  application  printed  thereon,  two  safety  pins,  and  one  card 
of  instructions;  large  first-aid  dressings  for  wounds;  packages  of  sterilized 
gauze;  assorted  bandages;  United  States  Army  tourniquet;  carbolated  vase- 
line or  boric  acid  ointment,;  packages  of  picric  acid  gauze;  wooden  or  wire- 
gauze  splints;  packages  of  absorbent  cotton;  safety  pins;  shears;  tweezers; 
aromatic  spirits  of  ammonia;  paper  cups;  first-aid  book  of  instructions; 
soap;  basins;  towels.  Furthermore,  in  all  quarries  where  one  hundred  (100) 
or  more  men  are  employed,  a first-aid  corps  shall  be  organized,  consisting  of 
the  foreman  or  foremen,  shift  bosses,  timekeepers,  or  other  employees  desig- 
nated by  the  superintendent;  and  it  shall  be  the  duty  of  the  operator  or 
superintendent  to  cause  the  organization  of  such  employees  and  to  procure 
the  services  of  a competent  person  to  instruct  the  members  of  such  first-aid 
corps  from  time  to  time,  not  less  than  once  in  every  three  (3)  months,  in  the 
proper  handling  and  treatment  of  injured  persons  before  the  arrival  of  a 
physician;  except  that  where  a hospital  is  maintained  in  connection  with  a 
quarry,  there  shall  be  provided  only  such  first-aid  equipment  as  may  be 
reasonably  necessary  to  prepare  the  injured  employee  for  removal  to  the 
hospital.  ^ 


EXPLOSIVES 

Rule  1104.  Storage  of  Explosives 

(a)  The  daily  supply  of  explosives  in  a quarry  shall  be  kept  in  a stout, 
tight  box  with  hinged,  lids,  which  shall  be  kept  securely  locked,  except  at 
such  times  as  explosives  are  being  placed  therein  or  removed  therefrom,  from 
which  explosives  shall  be  removed  only  as  required  for  immediate  use  by  the 
authorized  blaster. 

(b)  No  detonators  shall  be  taken  into  any  magazine  containing  other 
explosives.  No  fuses  shall  be  capped  with  detonators  in  any  magazine  or  in 
any  other  place  where  detonators  or  other  explosives  are  stored,  but  special 
benches  shall  be  provided  at  least  twenty  (20)  feet  from  such  storage  places, 
where  all  fuses  shall  be  capped.  Cap  crimpers  shall  be  furnished  in  sufficient 
quantity  to  avoid  the  necessity  of  crimping  in  any  other  way.  No  detonator 
shall  be  transported  with  other  explosives,  except  when  made  into  a primer 
with  such  other  explosive. 

(c)  All  magazines  shall  be  bullet-proof. 

(d)  When  supplies  of  explosives  or  fuse  are  removed  from  a magazine, 
those  that  have  been  longest  in  the  magazine  shall  be  taken  first.  Packages 
of  explosives  shall  be  removed  to  a safe  distance  from  the  magazine  before 


32 


being  opened,  and  no  such  packages  shall  be  opened  with  any  metallic 
instrument. 

Rule  1105.  Marking  of  Explosives,  Detonators  and  Fuses 

It  shall  be  unlawful  for  the  operator  or  superintendent  of  any  quarry  to 
permit  the  use  within  such  quarry  of  any  explosive,  or  any  blasting  caps  or 
detonators,  or  fuse,  unless  there  shall  be  printed  or  marked  on  every  original 
package  containing  explosives,  the  name  and  place  of  business  of  the  manu- 
facturer of  such  explosive,  the  date  of  its  manufacture  (if  the  date  of  manu- 
facture is  in  code,  the  key  to  such  code  shall  be  furnished  on  application), 
and  its  character  and  grade;  and  on  every  original  package  containing 
such  fuse,  the  name  and  place  of  business  of  the  manufacturer  of  such  fuse, 
and  the  date  of  its  manufacture  (if  the  date  of  manufacture  is  in  code,  the 
key  to  such  code  shall  be  furnished  on  application)  ; and  on  every  original 
package  containing  blasting  caps  or  detonators,  the  name  and  place  of  busi- 
ness of  the  manufacturer  of  such  blasting  caps  or  detonators,  the  date  of 
their  manufacture  (if  the  date  of  manufacture  is  in  code,  the  key  to  such 
code  shall  be  furnished  on  application ) , and  their  grade. 

In  emergencies,  or  when  approved  by  the  Commission,  one  manufacturer 
may  supply  explosives  for  another  manufacturer,  under  the  latter’s  brand. 

It  is  recommended  that  employers  provide  common  or  safety  fuse  of  uni- 
form speed,  preferably  ninety  (90)  seconds  per  yard. 

Rule  1106.  Conveying,  Thawing,  Blasting,  Misfires,  Etc. 

(a)  The  superintendent  in  all  quarries  shall  appoint  a sufficient  number 
of  experienced  blasters  to  handle  explosives  and  to  do  blasting. 

(b)  All  foremen  and  gang  bosses  shall  be  experienced  blasters  and  shall 
supervise  the  handling  of  explosives  and  see  that  blasting  operations  are 
carried  on  in  accordance  with  the  rules  and  regulations  herein  prescribed. 

(c)  Detonators  shall  not  be  carried  with  other  explosives,  nor  shall  any 
person  ride  in  the  same  cage,  skip  or  car  with  explosives. 

(d)  No  blaster  shall  attempt  to  use  any  dynamite  that  is  frozen,  nor 
detonators  of  less  than  No.  6 strength. 

(e)  No  quantity  greater  than  is  sufficient  for  daily  use  shall  be  artificially 
thawed  at  one  time. 

(f)  Only  approved  methods  of  thawing  shall  be  permitted. 

(g)  Fuse  may  be  kept  with  detonators  and  all  crimping  of  caps  on  fuse 
shall  be  done  with  proper  crimper  and  at  least  twenty  (20)  feet  away  from 
explosives. 

(h)  No  tools  or  other  articles  shall  be  kept  with  the  explosives  or  with 
the  detonators,  except  that  the  detonator  chest  may  contain  one  or  more 
crimpers,  and  the  explosive  chest  may  contain  a hard  wood  wedge  and  mallet. 

(i)  All  drill  holes  shall  be  of  sufficient  bore  to  admit  of  the  free  insertion 
to  the  bottom  of  the  hole  of  a cartridge  of  explosive  without  ramming  or 
removing  the  dynamite  from  its  original  wrapper,  except  for  block  holes. 

(j)  Fuse  shall  not  be  laced  through  cartridge  for  forming  a primer. 

(k)  Foreman  or  shift  boss  shall  before  drilling  is  commenced  on  any 
shift,  ascertain  whether  all  holes  fired  on  the  previous  shift  have  been 
exploded,  and  shall  cause  all  remaining  holes  to  be  examined  with  a wooden 
stick  for  unexploded  charges  ot  cartridges,  and  if  any  are  found,  same  shall 


33 


be  refired  or  a new  hole  drilled  and  fired  before  regular  drilling  is  com- 
menced. 

(l)  Explosives  shall  not  be  extracted  from  a hole  which  has  once  been 
charged;  the  tamping  only  may  be  withdrawn  sufficiently  to  allow  a missed 
shot  being  fired  by  insertion  of  fresh  additional  charge  of  primer. 

(m)  Blaster  shall  be  furnished  with  hard  wood  rods  for  tamping  and  he 
shall  not  tamp  or  load  any  hole  with  a metal  bar,  nor  shall  the  wooden  rod 
have  any  metal  parts;  except  that  where  black  powder  with  no  detonator 
is  used,  tamping  will  be  permitted  with  a copper-tipped  tamping  rod. 

(n)  Firing  shall  be  done  by  safety  fuse  or  approved  battery  or  from  an 
electric  current  of  not  over  two  hundred  and  fifty  (250)  volts,  provided  a 
suitable  switch  is  used,  as  hereinafter  described.  Other  methods  of  firing 
may  be  permitted  upon  application  and  approval  by  the  Industrial  Com- 
mission. 

(o)  When  firing  by  electricity  from  power  or  lighting  wires  in  any  quarry, 
a proper  switch  shall  be  furnished  with  lever  down  when  “ off.”  The  switch 
shall  be  fixed  in  a locked  box  to  which  no  person  shall  have  access  except  the 
blaster.  The  lead  wires  shall  be  furnished  with  plugs  and1  shall  not  be  con- 
nected with  the  switch  till  ready  to  fire.  After  blasting,  the  switch  lever 
shall  be  pulled  out,  the  wires  disconnected,  and  the  box  locked  before  any 
person  shall  be  allowed  to  return,  and  shall  remain  so  locked  until  again 
ready  to  blast. 

(p)  All  power  lines  and  electric  light  wires  shall  be  disconnected  at  a 
point  outside  the  blasting  switch  before  explosives  are  taken  in  and  loading 
of  holes  is  proceeded  with.  No  current  by  grounding  of  power  or  lighting 
wires  or  banded  rails  shall  be  allowed  beyond  blasting  switch  after  explosives 
are  taken  in  preparatory  to  blasting,  and  under  no  circumstances  shall 
grounded  current  be  used  for  exploding  blasts. 

(q)  The  blaster  shall  cause  a sufficient  warning  to  be  sounded  and  shall 
be  responsible  that  all  persons  retreat  to  safe  shelter  before  he  sets  off  blast, 
and  shall  also  see  that  none  return  until  he  reports  it  safe  for  them.  He 
shall  report  to  the  quarry  foreman  and  furnish  names  of  all  persons  refusing 
to  obey  his  caution.  Suitable  and  convenient  shelters  shall  be  provided. 

(r)  When  a blaster  fires  a round  of  holes,  he  shall  count  the  number  of 
shots  exploding,  except  in  case  of  instantaneous  blasting  by  electricity. 
If  there  are  any  misfires,  he  shall  report  the  same  to  the  gang  boss  or  fore- 
man. The  blaster  shall  not  leave  until  he  has  placed  a wooden  plug  painted 
red,  or  other  proper  danger  signal,  in  the  mouth  of  the  missed  hole.  If  a 
missed  hole  has  not  been  fired  at  the  end  of  a shift,  that  fact,  together 
with  the  position  of  the  hole,  shall  be  reported  by  the  quarry  foreman  or 
shift  boss  to  the  quarry  foreman  or  shift  boss  in  charge  of  the  next  relay  of 
quarrymen,  before  work  is  commenced  by  them. 

(s)  No  person  shall  be  allowed  to  deepen  holes  that  have  previously 
contained  explosives. 

(t)  All  wires  in  broken  ore  or  rock  shall  be  carefully  traced  and  search 
made  for  unexploded  cartridges. 

(u)  Whenever  blasting  is  being  done  at  points  liable  to  break  through  to 
where  other  men  are  at  work,  the  foreman  or  person  in  charge  shall,  before 
any  holes  are  loaded,  give  warning  of  danger  to  all  persons  that  may  be 


34 


working  where  the  blasts  may  break  through,  and  he  shall  not  allow  any 
holes  to  be  charged  until  warning  is  acknowledged  and  men  are  removed. 

(v)  Blasters,  when  testing  circuit  through  charged  holes,  shall  use  suffi- 
cient leading  wires  to  be  at  a safe  distance,  and  shall  use  only  approved 
types  of  galvanometers.  No  tests  of  circuits  in  charged  holes  shall  be  made 
until  men  are  removed  to  safe  distance. 

(w)  A daily  record  of  all  misfires  shall  be  kept  at  the  quarry  office,  giving 
name  of  loading  blaster  and  name  of  blaster  that  refired  it. 

Rule  1107.  Intoxicating  Liquors  Prohibited  in  Quarries 

No  person  shall,  while  under  the  influence  of  intoxicating  liquor,  enter 
any  quarry,  or  any  of  the  buildings  connected  with  the  operation  of  the 
same,  where  quarrymen  or  other  workmen  are  employed,  nor  shall  intoxi- 
cating liquors  be  brought  into  any  such  places. 

Provided,  however,  that  nothing  herein  contained  shall  prevent  the  carry- 
ing of  any  alcoholic  spirits  or  other  stimulants  into  such  quarry  or  build- 
ings for  the  purpose  of  administering  to  anyone  injured  therein. 


ELECTRICAL  EQUIPMENT 
Rule  1108.  Definitions 

(a)  Potential  and  Voltage.  The  terms  “potential”  and  “voltage”  are 
synonymous  and  mean  electrical  pressure. 

(b)  Difference  of  Potential.  The  expression  “difference  of  potential” 
means  the  difference  of  electrical  pressure  existing  between  any  two  points 
of  an  electrical  system  or  between  any  point  of  such  a system  and  the  earth 
as  determined  by  a voltmeter. 

(c)  Potential  of  a Circuit.  The  potential  or  voltage  of  a circuit,  machine 
or  any  piece  of  electrical  apparatus  is  the  potential  normally  existing  between 
the  conductors  of  such  circuit  or  the  terminals  of  such  machine  or  apparatus. 

(d)  Where  the  conditions  of  the  supply  of  electricity  are  such  that  the 
difference  of  potential  between  any  two  points  of  the  circuit  cannot  exceed 
three  hundred  (300)  volts,  the  supply  shall  be  deemed  a low-voltage  supply. 

(e)  Where  the  conditions  of  the  supply  of  electricity  are  such  that  the 
difference  of  potential  between  any  two  points  of  the  circuit  may  at  any  time 
exceed  three  hundred  (300)  volts,  but  cannot  exceed  six  hundred  fifty  (650) 
volts,  the  supply  shall  be  deemed  a medium-voltage  supply. 

(f)  Where  the  conditions  of  the  supply  of  electricity  are  such  that  the 
difference  of  potential  between  any  two  points  of  the  circuit  may  at  any  time 
exceed  six  hundred  fifty  (650)  volts,  the  supply  shall  be  deemed  a high- 
voltage  supply. 

(g)  Grounding.  Grounding  any  part  of  an  electrical  system  shall  con- 
sist in  so  connecting  such  part  to  the  earth  that  there  shall  be  no  material 
difference  of  potential  between  such  part  and  the  earth. 

(h)  The  term  “carrying  capacity”  shall  be  taken  to  mean  carrying 
capacity  of  a given  wire  as  prescribed  for  various  insulated  wires  in  the 
National  Electrical  Code,  published  by  the  National  Board  of  Fire  Under- 
writers, and  the  United  States  Bureau  of  Mines’  standard  for  bare  wires. 


35 


Rule  1109.  Care  of  Equipment  and  Practices 

(a)  No  person  shall,  without  authority,  install  or  handle  electric  wires, 
lights,  conductors,  or  electrical  apparatus  of  any  kind,  or  enter  an  electrical 
machine  room. 

(b)  No  person  shall  be  allowed  to  work  on  or  with  electrically-driven 
apparatus,  unless  he  shall  have  been  previously  instructed  in  the  perform- 
ance of  his  duties  by  a competent  person  and  shall  have  been  duly  authorized 
by  the  quarry  superintendent  or  quarry  foreman. 

(c)  Instruction  for  the  disengaging  of  persons  from  contact  with  live 
wires  and  the  resuscitation  of  persons  suffering  from  electric  shock  shall  be 
posted  in  every  generating  station  and  substation.  All  employees  working 
with  electrical  apparatus  shall  be  required  by  the  quarry  superintendent  to 
familiarize  themselves  with  these  instructions,  and  shall  be  capable  of  apply- 
ing them  before  entering  upon  such  work. 

Rule  mo.  Grounding 

The  frames  and  bed  plates  of  generators,  transformers,  compensators, 
rheostats,  and  motors,  shall  be  effectively  grounded.  All  metallic  coverings, 
armoring  of  cables,  other  than  trailing  cables,  and  the  neutral  wire  of  three- 
wire  systems  shall  also  be  grounded. 

Rule  mi.  Switchboards 

Switchboards  shall  consist  of  a substantial  framework  of  iron  pipes,  angle 
irons,  or  bar  iron,  on  which  shall  be  mounted  a panel  or  panels  of  incom- 
bustible, non-absorbent  insulating  material  that  is  mechanically  strong  and 
has  insulating  qualities  suitable  for  the  voltage  at  which  it  is  used. 

The  panels  of  insulating  material  may  be  omitted  if  each  piece  of  equip- 
ment carried  on  the  switchboard  is  provided  with  an  individual  base  of 
insulating  material  of  the  character  specified  for  the  panels  and  of  adequate 
dimensions,  or  has  its  current-carrying  parts  mounted  on  similar  insulation 
self-contained  in  the  equipment,  which  shall  be  especially  designed  for  mount- 
ing on  iron  pipe,  angle-iron,  or  bar-iron  frameworks. 

Rule  1 1 12.  Danger  Signals 

All  medium  and  high  voltage  machines  and  apparatus  shall  be  conspicu- 
ously marked  by  the  use  of  the  word  “ danger.” 

Rule  1 1 13.  Overhead  Lines 

Overhead  transmission  lines  between  the  generating  station  or  substation 
and  the  quarry  entrance,  shall  be  supported  upon  insulators,  which  shall 
be  adequate  in  quality,  size  and  design  for  the  voltage  transmitted.  Where 
such  line  is  more  than  five  hundred  (500')  feet  in  length,  lightning  arresters 
shall  be  installed  in  connection  therewith  at  the  entrance  to  the  quarry. 
Such  line,  except  in  the  case  of  trolley  wires,  shall  be  maintained  not  less 
than  ten  (10)  feet  above  the  ground  at  the  lowest  point. 

Rule  1 1 14.  Branch  Circuits 

Every  branch  circuit  shall  be  provided  with  a switch  of  ample  carrying 
capacity,  on  each  phase,  wuthin  fifty  (50)  feet  of  the  point  where  it  leaves 
the  main  circuit. 


36 


Rule  1 1 15.  Lighting  Circuits 

Wires  for  all  lighting  circuits  shall  be  covered  with  an  insulation  ade- 
quate for  the  voltage  of  the  circuit,  and,  unless  encased  in  pipes  or  other 
metallic  covering,  shall  be  strung  on  porcelain  or  glass  insulators.  Separate 
uncased  wires  shall  be  kept  at  least  three  (3)  inches  apart,  except  where 
they  enter  the  fittings.  Metallic  casings,  if  used,  shall  be  efficiently  grounded. 

Rule  1 1 16.  Cables  Entering  Fittings 

(a)  The  exposed  ends  of  cables  where  they  enter  fittings  of  any  descrip- 
tion shall  be  so  protected  and  finished  off,  that  moisture  cannot  enter  the 
cable,  or  the  insulating  material  leak  out,  if  of  an  oily  or  viscous  nature. 

(b)  Where  unarmored  cables  or  wires  pass  through  metal  frames  or 
into  boxes  or  motor  casings  the  holes  shall  be  substantially  lined  with  insu- 
lated bushings. 

Rule  1 1 17.  Joints  in  Conductors 

All  joints  in  conductors  shall  be  mechanically  and  electrically  efficient  and 
shall  be  soldered  wherever  necessary.  All  joints  in  insulated  wire  shall, 
after  the  joint  is  complete,  be  re-insulated  to  the  same  extent  as  the  remain- 
der of  the  wire. 


Rule  1 1 18.  Joints  in  Cables 

Where  cables  are  joined,  suitable  junction  boxes  shall  be  used,  or  the 
joints  shall  be  soldered,  and  the  insulation,  armoring,  or  leading  covering, 
replaced  in  as  good  condition  as  it  was  originally. 

Rule  1 1 19.  Fuses,  Circuit  Breakers  and  Switches 

(a)  Fuses  and  automatic  circuit  breakers  shall  be  constructed  so  as  effect- 
ually to  interrupt  the  current  when  a short  circuit  occurs  or  when  the  current 
through  them  exceeds  a predetermined  value.  No  open  type  or  link  fuses 
shall  be  used. 

(b)  All  points  at  which  a circuit  has  to  be  made  or  broken,  shall  be  pro- 
vided with  proper  switches,  which  shall  be  so  installed  that  they  cannot  be 
closed  by  gravity. 

(c)  Fuses  shall  be  stamped  or  marked,  or  shall  have  a label  attached, 
indicating  the  maximum  current  that  they  are  intended  to  carry.  Fuses 
shall  be  adjusted  or  replaced  only  by  an  authorized  and  competent  person. 

(d)  The  capacity  of  fuses  used  to  protect  feeders  shall  not  exceed  the 
current  capacity  of  the  feeder  by  more  than  twenty-five  (25)  per  cent. 

(e)  All  switches,  circuit  breakers  and  fuses  shall  have  non-combustible 
bases. 


Rule  1120.  Stationary  Motors 

Every  stationary  motor  and  every  portable  motor,  together  with  its 
starting  device,  shall  be  protected  by  a fuse  on  each  phase  or  ( in  the  case 
of  motors  of  more  than  forty  (40)  horsepower)  by  a circuit-breaking  device 
on  at  least  one  phase  of  direct-current  motors  and  on  each  phase  of  alter- 
nating-current motors,  and  by  switches  arranged  to  cut  off  entirely  the  power 
from  the  motor.  The  above  devices  shall  be  installed  in  a convenient  position 
near  the  motor  and  in  sight  of  it. 


37 


Rule  1 1 21.  Electric  Lighting 

(a)  Lamp  Sockets.  The  exterior  of  the  sockets  of  all  fixed  incandescent 
lamps,  installed  after  these  rules  go  into  effect,  shall  be  entirely  non- 
metallic. 

(b)  Flexible  Lamp  Cord.  The  use  of  flexible  lamp  cord  for  lighting  con- 
nections is  prohibited,  except  for  portable  incandescent  lights  to  be  used  in 
connection  with  the  inspection  and  repair  of  machinery  and  equipment,  and 
in  that  case  the  cord  shall  have  extra  heavy  insulation.  Such  portable  lights 
shall  be  protected  by  a wire  cage  large  enough  to  inclose  both  lamp  and 
socket  and  shall  be  provided  with  a handle  to  which  the  light  and  socket 
shall  be  firmly  attached  and  through  which  the  leading-in  wires  shall  be 
carried. 

(c)  Incandescent  Lamps.  Incandescent  lamps  shall  be  so  placed  that 
they  cannot  come  into  contact  with  combustible  material;  and  shall  be  so 
placed  that  an  adequate  circulation  of  air  may  take  place  on  all  sides  of 
them. 


Rule  1122.  Duties  of  Employees 

Every  employee  shall  be  responsible  for  carrying  out  all  rules  which 
immediately  concern  or  affect  his  conduct. 

Penalties 

Section  1275  of  the  Penal  Law: 

Any  person  who  violates  or  does  not  comply  with  any  provision  of  the 
Labor  Law,  any  provision  of  the  Industrial  Code,  any  rule  or  regulation  of 
the  Industrial  Board  of  the  Department  of  Labor  or  any  lawful  order  of  the 
Commissioner  of  Labor  * * * is  guilty  of  a misdemeanor  and  upon  con- 

viction shall  be  punished,  except  as  in  this  chapter  otherwise  provided,  for 
a first  offense  by  a fine  of  not  less  than  twenty  nor  more  than  fifty  dollars; 
for  a second  offense  by  a fine  of  not  less  than  fifty  nor  more  than  two  hun- 
dred and  fifty  dollars,  or  by  imprisonment  for  not  more  than  thirty  days  or 
by  both  such  fine  and  imprisonment;  for  a third  offense  by  a fine  of  not 
less  than  two  hundred  and  fifty  dollars,  or  by  imprisonment  for  not  more 
than  sixty  days,  or  by  both  such  fine  and  imprisonment. 


UNIVERSITY  OF  ILLINOIS-URBANA 


